726173 divided by 80 
Our goal is to divide 726173 by 80.

Advancing to step 1:
When dividing 7 by 80, we get 0 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.
Take the next digit (2) from the dividend and append it to 7, then repeat: 72 / 80

Advancing to step 2:
The number 80 fits into 72 0 times, leaving a remainder of 72.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 72, we get 72.
Append the next digit (6) from the dividend to 72 and continue with: 726 / 80

Going ahead to step 3:
726 divided by 80 is 9 with a remainder of 6.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
If we subtract 720 from 726, we get 6.
Fetch the next digit (1) from the dividend, attach it to 6 and continue: 61 / 80

Going ahead to step 4:
80 goes into 61 0 times with a remainder of 61.
Write down 0 as next digit of the result. 
Result so far: 90.0
Deduct 0 from 61 and we're left with 61.
Grab the next digit (7) from the dividend, add it to 61, then carry on: 617 / 80

Let's proceed to step 5:
If we divide 617 by 80, we get 7 and a remainder of 57.
Write down 7 as next digit of the result. 
Result so far: 907.0
If we take 560 away from 617, we end up with 57.
Fetch the next digit (3) from the dividend, attach it to 57 and continue: 573 / 80

On to step 6:
573 divided by 80 is 7 with a remainder of 13.
The number 7 becomes the next digit in our result. 
Result so far: 9077.0
Deduct 560 from 573 and we're left with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Going ahead to step 7:
If we divide 130 by 80, we get 1 and a remainder of 50.
The number 1 becomes the next digit in our result. 
Result so far: 9077.1
If we subtract 80 from 130, we get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Going ahead to step 8:
If we divide 500 by 80, we get 6 and a remainder of 20.
Record the quotient 6 as the next digit in the result. 
Result so far: 9077.16
Subtracting 480 from 500 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 9:
200 divided by 80 is 2 with a remainder of 40.
Write down 2 as next digit of the result. 
Result so far: 9077.162
Deduct 160 from 200 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 10:
80 goes into 400 5 times with a remainder of 0.
The next digit of our result is 5. 
Result so far: 9077.1625
The remainder is 0 after subtracting 400 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 11:
The number 80 fits into 0 0 times, leaving a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 9077.1625
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 12:
The number 80 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 9077.1625
Deduct 0 from 0 and we're left 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 final outcome is 9077.1625, with a leftover of 0.0.