We look at the division of 172798 by 89 
We're looking to find how many times 89 goes into 172798.

Step 1:
When dividing 1 by 89, we get 0 with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Take the next digit (7) from the dividend and append it to 1, then repeat: 17 / 89

Going ahead to step 2:
89 can be fit into 17 0 times, resulting in a remainder of 17.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 17 and we're left with 17.
Append the next digit (2) from the dividend to 17 and continue with: 172 / 89

On to step 3:
89 can be fit into 172 1 times, resulting in a remainder of 83.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Deduct 89 from 172 and we're left with 83.
Fetch the next digit (7) from the dividend, attach it to 83 and continue: 837 / 89

Let's proceed to step 4:
89 can be fit into 837 9 times, resulting in a remainder of 36.
Record the quotient 9 as the next digit in the result. 
Result so far: 19.0
The remainder is 36 after subtracting 801 from 837.
Grab the next digit (9) from the dividend, add it to 36, then carry on: 369 / 89

Advancing to step 5:
When dividing 369 by 89, we get 4 with a remainder of 13.
Write down 4 as next digit of the result. 
Result so far: 194.0
If we subtract 356 from 369, we get 13.
Include the next digit (8) from the dividend after 13, then repeat: 138 / 89

On to step 6:
The number 89 fits into 138 1 times, leaving a remainder of 49.
The number 1 becomes the next digit in our result. 
Result so far: 1941.0
Subtracting 89 from 138 leaves us with 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Advancing to step 7:
If we divide 490 by 89, we get 5 and a remainder of 45.
Write down 5 as next digit of the result. 
Result so far: 1941.5
The remainder is 45 after subtracting 445 from 490.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

On to step 8:
The number 89 fits into 450 5 times, leaving a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 1941.55
Deduct 445 from 450 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Our division results in 1941.55 with a remaining 0.005.