We're dividing 15732121 by 312 
Our goal is to divide 15732121 by 312.

Step 1:
312 can be fit into 1 0 times, resulting in a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Include the next digit (5) from the dividend after 1, then repeat: 15 / 312

Moving on to step 2:
312 can be fit into 15 0 times, resulting in a remainder of 15.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 15 and we're left with 15.
Bring next digit (7) of the dividend behind the 15 and repeat the process: 157 / 312

Advancing to step 3:
312 goes into 157 0 times with a remainder of 157.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 157 after subtracting 0 from 157.
Take the next digit (3) from the dividend and append it to 157, then repeat: 1573 / 312

Step 4:
When dividing 1573 by 312, we get 5 with a remainder of 13.
The number 5 becomes the next digit in our result. 
Result so far: 5.0
Subtract 1560 from 1573 to get 13.
Bring next digit (2) of the dividend behind the 13 and repeat the process: 132 / 312

Step 5:
312 can be fit into 132 0 times, resulting in a remainder of 132.
Use 0 as the next digit of our solution. 
Result so far: 50.0
If we take 0 away from 132, we end up with 132.
Fetch the next digit (1) from the dividend, attach it to 132 and continue: 1321 / 312

Going ahead to step 6:
312 goes into 1321 4 times with a remainder of 73.
Write down 4 as next digit of the result. 
Result so far: 504.0
If we subtract 1248 from 1321, we get 73.
Include the next digit (2) from the dividend after 73, then repeat: 732 / 312

Advancing to step 7:
312 goes into 732 2 times with a remainder of 108.
Use 2 as the next digit of our solution. 
Result so far: 5042.0
Subtracting 624 from 732 leaves us with 108.
Append the next digit (1) from the dividend to 108 and continue with: 1081 / 312

Advancing to step 8:
The number 312 fits into 1081 3 times, leaving a remainder of 145.
Record the quotient 3 as the next digit in the result. 
Result so far: 50423.0
The remainder is 145 after subtracting 936 from 1081.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1450, and continue the process.

Let's proceed to step 9:
1450 divided by 312 is 4 with a remainder of 202.
Use 4 as the next digit of our solution. 
Result so far: 50423.4
The remainder is 202 after subtracting 1248 from 1450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2020, and continue the process.

Let's proceed to step 10:
The number 312 fits into 2020 6 times, leaving a remainder of 148.
Use 6 as the next digit of our solution. 
Result so far: 50423.46
The remainder is 148 after subtracting 1872 from 2020.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1480, and continue the process.

Advancing to step 11:
312 can be fit into 1480 4 times, resulting in a remainder of 232.
Use 4 as the next digit of our solution. 
Result so far: 50423.464
Subtract 1248 from 1480 to get 232.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2320, and continue the process.

On to step 12:
If we divide 2320 by 312, we get 7 and a remainder of 136.
The next digit of our result is 7. 
Result so far: 50423.4647
If we take 2184 away from 2320, we end up with 136.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1360, and continue the process.

On to step 13:
The number 312 fits into 1360 4 times, leaving a remainder of 112.
Record the quotient 4 as the next digit in the result. 
Result so far: 50423.46474
The remainder is 112 after subtracting 1248 from 1360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

Going ahead to step 14:
When dividing 1120 by 312, we get 3 with a remainder of 184.
Record the quotient 3 as the next digit in the result. 
Result so far: 50423.464743
Deduct 936 from 1120 and we're left with 184.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

Step 15:
312 can be fit into 1840 5 times, resulting in a remainder of 280.
The next digit of our result is 5. 
Result so far: 50423.4647435
The remainder is 280 after subtracting 1560 from 1840.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

Going ahead to step 16:
If we divide 2800 by 312, we get 8 and a remainder of 304.
Use 8 as the next digit of our solution. 
Result so far: 50423.46474358
The remainder is 304 after subtracting 2496 from 2800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3040, and continue the process.

In conclusion, the division gives 50423.46474358 with a balance of 3.04e-07.