99250019 divided by 171 
We want to figure out the number of times 99250019 can be divided by 171.

Step 1:
171 can be fit into 9 0 times, resulting in a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Append the next digit (9) from the dividend to 9 and continue with: 99 / 171

Let's proceed to step 2:
99 divided by 171 is 0 with a remainder of 99.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 99, we end up with 99.
Include the next digit (2) from the dividend after 99, then repeat: 992 / 171

Going ahead to step 3:
171 goes into 992 5 times with a remainder of 137.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
If we take 855 away from 992, we end up with 137.
Bring next digit (5) of the dividend behind the 137 and repeat the process: 1375 / 171

Advancing to step 4:
The number 171 fits into 1375 8 times, leaving a remainder of 7.
Write down 8 as next digit of the result. 
Result so far: 58.0
Deduct 1368 from 1375 and we're left with 7.
Include the next digit (0) from the dividend after 7, then repeat: 70 / 171

Moving on to step 5:
171 can be fit into 70 0 times, resulting in a remainder of 70.
Record the quotient 0 as the next digit in the result. 
Result so far: 580.0
Subtract 0 from 70 to get 70.
Take the next digit (0) from the dividend and append it to 70, then repeat: 700 / 171

Going ahead to step 6:
When dividing 700 by 171, we get 4 with a remainder of 16.
Put 4 as the next digit of the answer. 
Result so far: 5804.0
The remainder is 16 after subtracting 684 from 700.
Fetch the next digit (1) from the dividend, attach it to 16 and continue: 161 / 171

Going ahead to step 7:
171 can be fit into 161 0 times, resulting in a remainder of 161.
Record the quotient 0 as the next digit in the result. 
Result so far: 58040.0
Subtract 0 from 161 to get 161.
Take the next digit (9) from the dividend and append it to 161, then repeat: 1619 / 171

Let's proceed to step 8:
When dividing 1619 by 171, we get 9 with a remainder of 80.
The number 9 becomes the next digit in our result. 
Result so far: 580409.0
The remainder is 80 after subtracting 1539 from 1619.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Moving on to step 9:
171 can be fit into 800 4 times, resulting in a remainder of 116.
Use 4 as the next digit of our solution. 
Result so far: 580409.4
Subtracting 684 from 800 leaves us with 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

Step 10:
171 goes into 1160 6 times with a remainder of 134.
The next digit of our result is 6. 
Result so far: 580409.46
Deduct 1026 from 1160 and we're left with 134.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1340, and continue the process.

Going ahead to step 11:
If we divide 1340 by 171, we get 7 and a remainder of 143.
Write down 7 as next digit of the result. 
Result so far: 580409.467
Subtracting 1197 from 1340 leaves us with 143.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1430, and continue the process.

Moving on to step 12:
1430 divided by 171 is 8 with a remainder of 62.
Use 8 as the next digit of our solution. 
Result so far: 580409.4678
If we take 1368 away from 1430, we end up with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Step 13:
When dividing 620 by 171, we get 3 with a remainder of 107.
The number 3 becomes the next digit in our result. 
Result so far: 580409.46783
Subtract 513 from 620 to get 107.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1070, and continue the process.

Advancing to step 14:
171 can be fit into 1070 6 times, resulting in a remainder of 44.
Record the quotient 6 as the next digit in the result. 
Result so far: 580409.467836
Deduct 1026 from 1070 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Moving on to step 15:
171 goes into 440 2 times with a remainder of 98.
Write down 2 as next digit of the result. 
Result so far: 580409.4678362
Subtracting 342 from 440 leaves us with 98.
Since there are no more digits in the dividend, we add a zero to the remainder making it 980, and continue the process.

Let's proceed to step 16:
171 can be fit into 980 5 times, resulting in a remainder of 125.
Put 5 as the next digit of the answer. 
Result so far: 580409.46783625
Subtract 855 from 980 to get 125.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1250, and continue the process.

After the division, we end up with 580409.46783625 and a remainder of 1.25e-07.