312672 ÷ 79 
Our goal is to divide 312672 by 79.

Step 1:
If we divide 3 by 79, we get 0 and a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Bring next digit (1) of the dividend behind the 3 and repeat the process: 31 / 79

Step 2:
When dividing 31 by 79, we get 0 with a remainder of 31.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 31 leaves us with 31.
Append the next digit (2) from the dividend to 31 and continue with: 312 / 79

Advancing to step 3:
If we divide 312 by 79, we get 3 and a remainder of 75.
Write down 3 as next digit of the result. 
Result so far: 3.0
Subtract 237 from 312 to get 75.
Take the next digit (6) from the dividend and append it to 75, then repeat: 756 / 79

Going ahead to step 4:
When dividing 756 by 79, we get 9 with a remainder of 45.
Put 9 as the next digit of the answer. 
Result so far: 39.0
If we subtract 711 from 756, we get 45.
Bring next digit (7) of the dividend behind the 45 and repeat the process: 457 / 79

Step 5:
The number 79 fits into 457 5 times, leaving a remainder of 62.
Use 5 as the next digit of our solution. 
Result so far: 395.0
The remainder is 62 after subtracting 395 from 457.
Take the next digit (2) from the dividend and append it to 62, then repeat: 622 / 79

Moving on to step 6:
The number 79 fits into 622 7 times, leaving a remainder of 69.
The number 7 becomes the next digit in our result. 
Result so far: 3957.0
Subtracting 553 from 622 leaves us with 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Advancing to step 7:
When dividing 690 by 79, we get 8 with a remainder of 58.
The number 8 becomes the next digit in our result. 
Result so far: 3957.8
If we take 632 away from 690, we end up with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Advancing to step 8:
580 divided by 79 is 7 with a remainder of 27.
Use 7 as the next digit of our solution. 
Result so far: 3957.87
If we subtract 553 from 580, we get 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Advancing to step 9:
79 can be fit into 270 3 times, resulting in a remainder of 33.
The next digit of our result is 3. 
Result so far: 3957.873
Subtracting 237 from 270 leaves us with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

On to step 10:
79 goes into 330 4 times with a remainder of 14.
Put 4 as the next digit of the answer. 
Result so far: 3957.8734
Deduct 316 from 330 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Let's proceed to step 11:
79 can be fit into 140 1 times, resulting in a remainder of 61.
Use 1 as the next digit of our solution. 
Result so far: 3957.87341
Deduct 79 from 140 and we're left with 61.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Advancing to step 12:
79 goes into 610 7 times with a remainder of 57.
Write down 7 as next digit of the result. 
Result so far: 3957.873417
Subtracting 553 from 610 leaves us with 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Let's proceed to step 13:
79 goes into 570 7 times with a remainder of 17.
Record the quotient 7 as the next digit in the result. 
Result so far: 3957.8734177
The remainder is 17 after subtracting 553 from 570.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

In conclusion, the division gives 3957.8734177 with a balance of 1.7e-07.