78146729 ÷ 247 
Let's see how many times 247 fits into 78146729.

Let's proceed to step 1:
7 divided by 247 is 0 with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Bring next digit (8) of the dividend behind the 7 and repeat the process: 78 / 247

Advancing to step 2:
When dividing 78 by 247, we get 0 with a remainder of 78.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 78 leaves us with 78.
Bring next digit (1) of the dividend behind the 78 and repeat the process: 781 / 247

Step 3:
247 goes into 781 3 times with a remainder of 40.
The next digit of our result is 3. 
Result so far: 3.0
Subtract 741 from 781 to get 40.
Fetch the next digit (4) from the dividend, attach it to 40 and continue: 404 / 247

On to step 4:
247 can be fit into 404 1 times, resulting in a remainder of 157.
The number 1 becomes the next digit in our result. 
Result so far: 31.0
If we take 247 away from 404, we end up with 157.
Take the next digit (6) from the dividend and append it to 157, then repeat: 1576 / 247

On to step 5:
1576 divided by 247 is 6 with a remainder of 94.
Use 6 as the next digit of our solution. 
Result so far: 316.0
Subtracting 1482 from 1576 leaves us with 94.
Include the next digit (7) from the dividend after 94, then repeat: 947 / 247

Advancing to step 6:
247 can be fit into 947 3 times, resulting in a remainder of 206.
Write down 3 as next digit of the result. 
Result so far: 3163.0
If we subtract 741 from 947, we get 206.
Append the next digit (2) from the dividend to 206 and continue with: 2062 / 247

Advancing to step 7:
When dividing 2062 by 247, we get 8 with a remainder of 86.
Write down 8 as next digit of the result. 
Result so far: 31638.0
If we subtract 1976 from 2062, we get 86.
Take the next digit (9) from the dividend and append it to 86, then repeat: 869 / 247

Step 8:
869 divided by 247 is 3 with a remainder of 128.
The next digit of our result is 3. 
Result so far: 316383.0
Subtract 741 from 869 to get 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

On to step 9:
The number 247 fits into 1280 5 times, leaving a remainder of 45.
Write down 5 as next digit of the result. 
Result so far: 316383.5
If we take 1235 away from 1280, we end up with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Let's proceed to step 10:
The number 247 fits into 450 1 times, leaving a remainder of 203.
Put 1 as the next digit of the answer. 
Result so far: 316383.51
If we subtract 247 from 450, we get 203.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2030, and continue the process.

On to step 11:
2030 divided by 247 is 8 with a remainder of 54.
The next digit of our result is 8. 
Result so far: 316383.518
If we subtract 1976 from 2030, we get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Advancing to step 12:
If we divide 540 by 247, we get 2 and a remainder of 46.
The next digit of our result is 2. 
Result so far: 316383.5182
Deduct 494 from 540 and we're left with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Let's proceed to step 13:
247 can be fit into 460 1 times, resulting in a remainder of 213.
The next digit of our result is 1. 
Result so far: 316383.51821
Deduct 247 from 460 and we're left with 213.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2130, and continue the process.

Step 14:
The number 247 fits into 2130 8 times, leaving a remainder of 154.
Put 8 as the next digit of the answer. 
Result so far: 316383.518218
Deduct 1976 from 2130 and we're left with 154.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1540, and continue the process.

Moving on to step 15:
1540 divided by 247 is 6 with a remainder of 58.
Use 6 as the next digit of our solution. 
Result so far: 316383.5182186
If we subtract 1482 from 1540, we get 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Moving on to step 16:
247 goes into 580 2 times with a remainder of 86.
The number 2 becomes the next digit in our result. 
Result so far: 316383.51821862
Subtract 494 from 580 to get 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Our division results in 316383.51821862 with a remaining 8.6e-08.