We're dividing 392179 by 25 
Our goal is to divide 392179 by 25.

On to step 1:
If we divide 3 by 25, we get 0 and a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Append the next digit (9) from the dividend to 3 and continue with: 39 / 25

On to step 2:
25 goes into 39 1 times with a remainder of 14.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 25 from 39 to get 14.
Take the next digit (2) from the dividend and append it to 14, then repeat: 142 / 25

Let's proceed to step 3:
25 goes into 142 5 times with a remainder of 17.
Use 5 as the next digit of our solution. 
Result so far: 15.0
The remainder is 17 after subtracting 125 from 142.
Bring next digit (1) of the dividend behind the 17 and repeat the process: 171 / 25

On to step 4:
When dividing 171 by 25, we get 6 with a remainder of 21.
The next digit of our result is 6. 
Result so far: 156.0
Subtracting 150 from 171 leaves us with 21.
Take the next digit (7) from the dividend and append it to 21, then repeat: 217 / 25

Going ahead to step 5:
25 can be fit into 217 8 times, resulting in a remainder of 17.
Record the quotient 8 as the next digit in the result. 
Result so far: 1568.0
Subtract 200 from 217 to get 17.
Fetch the next digit (9) from the dividend, attach it to 17 and continue: 179 / 25

Moving on to step 6:
The number 25 fits into 179 7 times, leaving a remainder of 4.
The next digit of our result is 7. 
Result so far: 15687.0
If we take 175 away from 179, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 7:
25 goes into 40 1 times with a remainder of 15.
Record the quotient 1 as the next digit in the result. 
Result so far: 15687.1
Deduct 25 from 40 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Let's proceed to step 8:
25 can be fit into 150 6 times, resulting in a remainder of 0.
Use 6 as the next digit of our solution. 
Result so far: 15687.16
If we subtract 150 from 150, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 9:
The number 25 fits into 0 0 times, leaving a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 15687.16
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 10:
The number 25 fits into 0 0 times, leaving a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 15687.16
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The quotient of the division is 15687.16, and the remainder is 0.0.