72983354 divided by 309 
Let's see how many times 309 fits into 72983354.

On to step 1:
When dividing 7 by 309, we get 0 with a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Take the next digit (2) from the dividend and append it to 7, then repeat: 72 / 309

Let's proceed to step 2:
If we divide 72 by 309, we get 0 and a remainder of 72.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 72 to get 72.
Grab the next digit (9) from the dividend, add it to 72, then carry on: 729 / 309

Advancing to step 3:
309 goes into 729 2 times with a remainder of 111.
Write down 2 as next digit of the result. 
Result so far: 2.0
Subtract 618 from 729 to get 111.
Take the next digit (8) from the dividend and append it to 111, then repeat: 1118 / 309

Step 4:
309 can be fit into 1118 3 times, resulting in a remainder of 191.
The number 3 becomes the next digit in our result. 
Result so far: 23.0
Subtracting 927 from 1118 leaves us with 191.
Take the next digit (3) from the dividend and append it to 191, then repeat: 1913 / 309

Step 5:
1913 divided by 309 is 6 with a remainder of 59.
Use 6 as the next digit of our solution. 
Result so far: 236.0
Subtract 1854 from 1913 to get 59.
Bring next digit (3) of the dividend behind the 59 and repeat the process: 593 / 309

Going ahead to step 6:
If we divide 593 by 309, we get 1 and a remainder of 284.
The next digit of our result is 1. 
Result so far: 2361.0
The remainder is 284 after subtracting 309 from 593.
Append the next digit (5) from the dividend to 284 and continue with: 2845 / 309

Let's proceed to step 7:
2845 divided by 309 is 9 with a remainder of 64.
Use 9 as the next digit of our solution. 
Result so far: 23619.0
If we take 2781 away from 2845, we end up with 64.
Bring next digit (4) of the dividend behind the 64 and repeat the process: 644 / 309

Moving on to step 8:
644 divided by 309 is 2 with a remainder of 26.
The number 2 becomes the next digit in our result. 
Result so far: 236192.0
If we subtract 618 from 644, we get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Going ahead to step 9:
260 divided by 309 is 0 with a remainder of 260.
Write down 0 as next digit of the result. 
Result so far: 236192.0
Subtract 0 from 260 to get 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

Moving on to step 10:
309 can be fit into 2600 8 times, resulting in a remainder of 128.
Record the quotient 8 as the next digit in the result. 
Result so far: 236192.08
Deduct 2472 from 2600 and we're left with 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

Going ahead to step 11:
When dividing 1280 by 309, we get 4 with a remainder of 44.
Use 4 as the next digit of our solution. 
Result so far: 236192.084
Subtracting 1236 from 1280 leaves us with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Going ahead to step 12:
The number 309 fits into 440 1 times, leaving a remainder of 131.
The next digit of our result is 1. 
Result so far: 236192.0841
Subtract 309 from 440 to get 131.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1310, and continue the process.

Advancing to step 13:
If we divide 1310 by 309, we get 4 and a remainder of 74.
The next digit of our result is 4. 
Result so far: 236192.08414
The remainder is 74 after subtracting 1236 from 1310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Step 14:
309 can be fit into 740 2 times, resulting in a remainder of 122.
The next digit of our result is 2. 
Result so far: 236192.084142
The remainder is 122 after subtracting 618 from 740.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1220, and continue the process.

Moving on to step 15:
The number 309 fits into 1220 3 times, leaving a remainder of 293.
Use 3 as the next digit of our solution. 
Result so far: 236192.0841423
Deduct 927 from 1220 and we're left with 293.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2930, and continue the process.

Moving on to step 16:
2930 divided by 309 is 9 with a remainder of 149.
Put 9 as the next digit of the answer. 
Result so far: 236192.08414239
Deduct 2781 from 2930 and we're left with 149.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1490, and continue the process.

The final outcome is 236192.08414239, with a leftover of 1.49e-07.