We look at the division of 78863174 by 277 
We want to divide 78863174 by 277.

Advancing to step 1:
7 divided by 277 is 0 with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Fetch the next digit (8) from the dividend, attach it to 7 and continue: 78 / 277

On to step 2:
When dividing 78 by 277, we get 0 with a remainder of 78.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 78 and we're left with 78.
Fetch the next digit (8) from the dividend, attach it to 78 and continue: 788 / 277

On to step 3:
If we divide 788 by 277, we get 2 and a remainder of 234.
The next digit of our result is 2. 
Result so far: 2.0
The remainder is 234 after subtracting 554 from 788.
Fetch the next digit (6) from the dividend, attach it to 234 and continue: 2346 / 277

Moving on to step 4:
277 goes into 2346 8 times with a remainder of 130.
The number 8 becomes the next digit in our result. 
Result so far: 28.0
Subtract 2216 from 2346 to get 130.
Bring next digit (3) of the dividend behind the 130 and repeat the process: 1303 / 277

Let's proceed to step 5:
The number 277 fits into 1303 4 times, leaving a remainder of 195.
Use 4 as the next digit of our solution. 
Result so far: 284.0
Subtracting 1108 from 1303 leaves us with 195.
Append the next digit (1) from the dividend to 195 and continue with: 1951 / 277

Going ahead to step 6:
The number 277 fits into 1951 7 times, leaving a remainder of 12.
The number 7 becomes the next digit in our result. 
Result so far: 2847.0
Subtracting 1939 from 1951 leaves us with 12.
Bring next digit (7) of the dividend behind the 12 and repeat the process: 127 / 277

Moving on to step 7:
The number 277 fits into 127 0 times, leaving a remainder of 127.
The number 0 becomes the next digit in our result. 
Result so far: 28470.0
The remainder is 127 after subtracting 0 from 127.
Take the next digit (4) from the dividend and append it to 127, then repeat: 1274 / 277

On to step 8:
1274 divided by 277 is 4 with a remainder of 166.
The number 4 becomes the next digit in our result. 
Result so far: 284704.0
Deduct 1108 from 1274 and we're left with 166.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1660, and continue the process.

Let's proceed to step 9:
When dividing 1660 by 277, we get 5 with a remainder of 275.
Use 5 as the next digit of our solution. 
Result so far: 284704.5
If we take 1385 away from 1660, we end up with 275.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2750, and continue the process.

Step 10:
The number 277 fits into 2750 9 times, leaving a remainder of 257.
The number 9 becomes the next digit in our result. 
Result so far: 284704.59
Deduct 2493 from 2750 and we're left with 257.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2570, and continue the process.

On to step 11:
When dividing 2570 by 277, we get 9 with a remainder of 77.
The number 9 becomes the next digit in our result. 
Result so far: 284704.599
If we take 2493 away from 2570, we end up with 77.
Since there are no more digits in the dividend, we add a zero to the remainder making it 770, and continue the process.

Our division results in 284704.599 with a remaining 0.0077.