We look at the division of 73188139 by 307 
We want to figure out the number of times 73188139 can be divided by 307.

On to step 1:
When dividing 7 by 307, we get 0 with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Bring next digit (3) of the dividend behind the 7 and repeat the process: 73 / 307

Going ahead to step 2:
When dividing 73 by 307, we get 0 with a remainder of 73.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 73 after subtracting 0 from 73.
Include the next digit (1) from the dividend after 73, then repeat: 731 / 307

Let's proceed to step 3:
731 divided by 307 is 2 with a remainder of 117.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
The remainder is 117 after subtracting 614 from 731.
Include the next digit (8) from the dividend after 117, then repeat: 1178 / 307

Advancing to step 4:
1178 divided by 307 is 3 with a remainder of 257.
The number 3 becomes the next digit in our result. 
Result so far: 23.0
Subtracting 921 from 1178 leaves us with 257.
Bring next digit (8) of the dividend behind the 257 and repeat the process: 2578 / 307

On to step 5:
307 can be fit into 2578 8 times, resulting in a remainder of 122.
Use 8 as the next digit of our solution. 
Result so far: 238.0
If we subtract 2456 from 2578, we get 122.
Take the next digit (1) from the dividend and append it to 122, then repeat: 1221 / 307

Advancing to step 6:
1221 divided by 307 is 3 with a remainder of 300.
The number 3 becomes the next digit in our result. 
Result so far: 2383.0
Deduct 921 from 1221 and we're left with 300.
Append the next digit (3) from the dividend to 300 and continue with: 3003 / 307

Step 7:
307 can be fit into 3003 9 times, resulting in a remainder of 240.
Put 9 as the next digit of the answer. 
Result so far: 23839.0
If we take 2763 away from 3003, we end up with 240.
Append the next digit (9) from the dividend to 240 and continue with: 2409 / 307

Let's proceed to step 8:
The number 307 fits into 2409 7 times, leaving a remainder of 260.
Use 7 as the next digit of our solution. 
Result so far: 238397.0
The remainder is 260 after subtracting 2149 from 2409.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

Step 9:
307 can be fit into 2600 8 times, resulting in a remainder of 144.
The number 8 becomes the next digit in our result. 
Result so far: 238397.8
If we take 2456 away from 2600, we end up with 144.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

Step 10:
When dividing 1440 by 307, we get 4 with a remainder of 212.
The number 4 becomes the next digit in our result. 
Result so far: 238397.84
If we subtract 1228 from 1440, we get 212.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2120, and continue the process.

On to step 11:
If we divide 2120 by 307, we get 6 and a remainder of 278.
Put 6 as the next digit of the answer. 
Result so far: 238397.846
Subtracting 1842 from 2120 leaves us with 278.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2780, and continue the process.

Moving on to step 12:
When dividing 2780 by 307, we get 9 with a remainder of 17.
Record the quotient 9 as the next digit in the result. 
Result so far: 238397.8469
If we take 2763 away from 2780, we end up with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Step 13:
If we divide 170 by 307, we get 0 and a remainder of 170.
Use 0 as the next digit of our solution. 
Result so far: 238397.8469
If we take 0 away from 170, we end up with 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

Moving on to step 14:
307 goes into 1700 5 times with a remainder of 165.
The next digit of our result is 5. 
Result so far: 238397.846905
Deduct 1535 from 1700 and we're left with 165.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

Let's proceed to step 15:
If we divide 1650 by 307, we get 5 and a remainder of 115.
The number 5 becomes the next digit in our result. 
Result so far: 238397.8469055
Deduct 1535 from 1650 and we're left with 115.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1150, and continue the process.

The quotient of the division is 238397.8469055, and the remainder is 1.15e-06.