We're dividing 71370128 by 431 
Our goal is to divide 71370128 by 431.

Going ahead to step 1:
431 goes into 7 0 times with a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Bring next digit (1) of the dividend behind the 7 and repeat the process: 71 / 431

Moving on to step 2:
431 can be fit into 71 0 times, resulting in a remainder of 71.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 71 leaves us with 71.
Include the next digit (3) from the dividend after 71, then repeat: 713 / 431

Step 3:
713 divided by 431 is 1 with a remainder of 282.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 282 after subtracting 431 from 713.
Append the next digit (7) from the dividend to 282 and continue with: 2827 / 431

On to step 4:
431 goes into 2827 6 times with a remainder of 241.
Put 6 as the next digit of the answer. 
Result so far: 16.0
The remainder is 241 after subtracting 2586 from 2827.
Bring next digit (0) of the dividend behind the 241 and repeat the process: 2410 / 431

Let's proceed to step 5:
If we divide 2410 by 431, we get 5 and a remainder of 255.
The number 5 becomes the next digit in our result. 
Result so far: 165.0
Subtracting 2155 from 2410 leaves us with 255.
Fetch the next digit (1) from the dividend, attach it to 255 and continue: 2551 / 431

On to step 6:
431 goes into 2551 5 times with a remainder of 396.
Use 5 as the next digit of our solution. 
Result so far: 1655.0
The remainder is 396 after subtracting 2155 from 2551.
Append the next digit (2) from the dividend to 396 and continue with: 3962 / 431

Moving on to step 7:
431 can be fit into 3962 9 times, resulting in a remainder of 83.
Write down 9 as next digit of the result. 
Result so far: 16559.0
The remainder is 83 after subtracting 3879 from 3962.
Bring next digit (8) of the dividend behind the 83 and repeat the process: 838 / 431

Step 8:
If we divide 838 by 431, we get 1 and a remainder of 407.
Put 1 as the next digit of the answer. 
Result so far: 165591.0
Deduct 431 from 838 and we're left with 407.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4070, and continue the process.

Advancing to step 9:
The number 431 fits into 4070 9 times, leaving a remainder of 191.
Put 9 as the next digit of the answer. 
Result so far: 165591.9
If we subtract 3879 from 4070, we get 191.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1910, and continue the process.

Let's proceed to step 10:
1910 divided by 431 is 4 with a remainder of 186.
The next digit of our result is 4. 
Result so far: 165591.94
If we take 1724 away from 1910, we end up with 186.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1860, and continue the process.

Let's proceed to step 11:
If we divide 1860 by 431, we get 4 and a remainder of 136.
Put 4 as the next digit of the answer. 
Result so far: 165591.944
If we subtract 1724 from 1860, we get 136.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1360, and continue the process.

After the division, we end up with 165591.944 and a remainder of 0.0136.