74991784 ÷ 523 
Our goal is to divide 74991784 by 523.

Advancing to step 1:
523 goes into 7 0 times with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Append the next digit (4) from the dividend to 7 and continue with: 74 / 523

Advancing to step 2:
74 divided by 523 is 0 with a remainder of 74.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 74 leaves us with 74.
Append the next digit (9) from the dividend to 74 and continue with: 749 / 523

On to step 3:
When dividing 749 by 523, we get 1 with a remainder of 226.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 523 away from 749, we end up with 226.
Append the next digit (9) from the dividend to 226 and continue with: 2269 / 523

Going ahead to step 4:
The number 523 fits into 2269 4 times, leaving a remainder of 177.
The next digit of our result is 4. 
Result so far: 14.0
If we subtract 2092 from 2269, we get 177.
Bring next digit (1) of the dividend behind the 177 and repeat the process: 1771 / 523

Moving on to step 5:
The number 523 fits into 1771 3 times, leaving a remainder of 202.
Put 3 as the next digit of the answer. 
Result so far: 143.0
The remainder is 202 after subtracting 1569 from 1771.
Grab the next digit (7) from the dividend, add it to 202, then carry on: 2027 / 523

Step 6:
523 can be fit into 2027 3 times, resulting in a remainder of 458.
The next digit of our result is 3. 
Result so far: 1433.0
The remainder is 458 after subtracting 1569 from 2027.
Include the next digit (8) from the dividend after 458, then repeat: 4588 / 523

Step 7:
523 goes into 4588 8 times with a remainder of 404.
Use 8 as the next digit of our solution. 
Result so far: 14338.0
Subtract 4184 from 4588 to get 404.
Bring next digit (4) of the dividend behind the 404 and repeat the process: 4044 / 523

Let's proceed to step 8:
523 goes into 4044 7 times with a remainder of 383.
Use 7 as the next digit of our solution. 
Result so far: 143387.0
Subtracting 3661 from 4044 leaves us with 383.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3830, and continue the process.

Advancing to step 9:
If we divide 3830 by 523, we get 7 and a remainder of 169.
The number 7 becomes the next digit in our result. 
Result so far: 143387.7
The remainder is 169 after subtracting 3661 from 3830.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1690, and continue the process.

On to step 10:
The number 523 fits into 1690 3 times, leaving a remainder of 121.
Record the quotient 3 as the next digit in the result. 
Result so far: 143387.73
If we subtract 1569 from 1690, we get 121.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1210, and continue the process.

Advancing to step 11:
1210 divided by 523 is 2 with a remainder of 164.
Write down 2 as next digit of the result. 
Result so far: 143387.732
If we take 1046 away from 1210, we end up with 164.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1640, and continue the process.

Let's proceed to step 12:
1640 divided by 523 is 3 with a remainder of 71.
Put 3 as the next digit of the answer. 
Result so far: 143387.7323
Deduct 1569 from 1640 and we're left with 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Going ahead to step 13:
The number 523 fits into 710 1 times, leaving a remainder of 187.
The number 1 becomes the next digit in our result. 
Result so far: 143387.73231
Subtract 523 from 710 to get 187.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1870, and continue the process.

Advancing to step 14:
1870 divided by 523 is 3 with a remainder of 301.
Put 3 as the next digit of the answer. 
Result so far: 143387.732313
Subtract 1569 from 1870 to get 301.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3010, and continue the process.

Going ahead to step 15:
If we divide 3010 by 523, we get 5 and a remainder of 395.
Write down 5 as next digit of the result. 
Result so far: 143387.7323135
Subtracting 2615 from 3010 leaves us with 395.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3950, and continue the process.

Going ahead to step 16:
When dividing 3950 by 523, we get 7 with a remainder of 289.
Record the quotient 7 as the next digit in the result. 
Result so far: 143387.73231357
Subtracting 3661 from 3950 leaves us with 289.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2890, and continue the process.

The final result is 143387.73231357 with a remainder of 2.89e-07.