We look at the division of 73139308 by 247 
We want to figure out the number of times 73139308 can be divided by 247.

On to step 1:
247 goes into 7 0 times with a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Take the next digit (3) from the dividend and append it to 7, then repeat: 73 / 247

On to step 2:
247 can be fit into 73 0 times, resulting in a remainder of 73.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 73 and we're left with 73.
Append the next digit (1) from the dividend to 73 and continue with: 731 / 247

Advancing to step 3:
If we divide 731 by 247, we get 2 and a remainder of 237.
The next digit of our result is 2. 
Result so far: 2.0
Subtract 494 from 731 to get 237.
Bring next digit (3) of the dividend behind the 237 and repeat the process: 2373 / 247

Advancing to step 4:
2373 divided by 247 is 9 with a remainder of 150.
The next digit of our result is 9. 
Result so far: 29.0
Subtract 2223 from 2373 to get 150.
Bring next digit (9) of the dividend behind the 150 and repeat the process: 1509 / 247

Advancing to step 5:
When dividing 1509 by 247, we get 6 with a remainder of 27.
Record the quotient 6 as the next digit in the result. 
Result so far: 296.0
Deduct 1482 from 1509 and we're left with 27.
Take the next digit (3) from the dividend and append it to 27, then repeat: 273 / 247

Let's proceed to step 6:
When dividing 273 by 247, we get 1 with a remainder of 26.
Put 1 as the next digit of the answer. 
Result so far: 2961.0
If we subtract 247 from 273, we get 26.
Fetch the next digit (0) from the dividend, attach it to 26 and continue: 260 / 247

Step 7:
If we divide 260 by 247, we get 1 and a remainder of 13.
Record the quotient 1 as the next digit in the result. 
Result so far: 29611.0
If we subtract 247 from 260, we get 13.
Grab the next digit (8) from the dividend, add it to 13, then carry on: 138 / 247

Step 8:
247 goes into 138 0 times with a remainder of 138.
Put 0 as the next digit of the answer. 
Result so far: 296110.0
Deduct 0 from 138 and we're left with 138.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1380, and continue the process.

Going ahead to step 9:
247 can be fit into 1380 5 times, resulting in a remainder of 145.
Use 5 as the next digit of our solution. 
Result so far: 296110.5
If we take 1235 away from 1380, we end up with 145.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1450, and continue the process.

Advancing to step 10:
247 goes into 1450 5 times with a remainder of 215.
The next digit of our result is 5. 
Result so far: 296110.55
Subtract 1235 from 1450 to get 215.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2150, and continue the process.

The final outcome is 296110.55, with a leftover of 0.215.