We're dividing 78287668 by 153 
We want to figure out the number of times 78287668 can be divided by 153.

Going ahead to step 1:
153 goes into 7 0 times 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.
Take the next digit (8) from the dividend and append it to 7, then repeat: 78 / 153

Step 2:
78 divided by 153 is 0 with a remainder of 78.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 78 after subtracting 0 from 78.
Fetch the next digit (2) from the dividend, attach it to 78 and continue: 782 / 153

Advancing to step 3:
When dividing 782 by 153, we get 5 with a remainder of 17.
The number 5 becomes the next digit in our result. 
Result so far: 5.0
Deduct 765 from 782 and we're left with 17.
Include the next digit (8) from the dividend after 17, then repeat: 178 / 153

Step 4:
153 can be fit into 178 1 times, resulting in a remainder of 25.
The number 1 becomes the next digit in our result. 
Result so far: 51.0
Subtract 153 from 178 to get 25.
Bring next digit (7) of the dividend behind the 25 and repeat the process: 257 / 153

Let's proceed to step 5:
When dividing 257 by 153, we get 1 with a remainder of 104.
The next digit of our result is 1. 
Result so far: 511.0
Deduct 153 from 257 and we're left with 104.
Grab the next digit (6) from the dividend, add it to 104, then carry on: 1046 / 153

Moving on to step 6:
The number 153 fits into 1046 6 times, leaving a remainder of 128.
The next digit of our result is 6. 
Result so far: 5116.0
Subtracting 918 from 1046 leaves us with 128.
Append the next digit (6) from the dividend to 128 and continue with: 1286 / 153

On to step 7:
153 can be fit into 1286 8 times, resulting in a remainder of 62.
Record the quotient 8 as the next digit in the result. 
Result so far: 51168.0
The remainder is 62 after subtracting 1224 from 1286.
Append the next digit (8) from the dividend to 62 and continue with: 628 / 153

Let's proceed to step 8:
If we divide 628 by 153, we get 4 and a remainder of 16.
Use 4 as the next digit of our solution. 
Result so far: 511684.0
If we take 612 away from 628, we end up with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Moving on to step 9:
If we divide 160 by 153, we get 1 and a remainder of 7.
Record the quotient 1 as the next digit in the result. 
Result so far: 511684.1
Subtracting 153 from 160 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Step 10:
70 divided by 153 is 0 with a remainder of 70.
The next digit of our result is 0. 
Result so far: 511684.1
Deduct 0 from 70 and we're left with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Moving on to step 11:
153 can be fit into 700 4 times, resulting in a remainder of 88.
The next digit of our result is 4. 
Result so far: 511684.104
Subtract 612 from 700 to get 88.
Since there are no more digits in the dividend, we add a zero to the remainder making it 880, and continue the process.

Advancing to step 12:
880 divided by 153 is 5 with a remainder of 115.
The number 5 becomes the next digit in our result. 
Result so far: 511684.1045
Deduct 765 from 880 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.

Moving on to step 13:
153 goes into 1150 7 times with a remainder of 79.
Use 7 as the next digit of our solution. 
Result so far: 511684.10457
The remainder is 79 after subtracting 1071 from 1150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Step 14:
The number 153 fits into 790 5 times, leaving a remainder of 25.
Write down 5 as next digit of the result. 
Result so far: 511684.104575
Subtract 765 from 790 to get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Moving on to step 15:
250 divided by 153 is 1 with a remainder of 97.
Record the quotient 1 as the next digit in the result. 
Result so far: 511684.1045751
The remainder is 97 after subtracting 153 from 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 970, and continue the process.

Let's proceed to step 16:
153 can be fit into 970 6 times, resulting in a remainder of 52.
Use 6 as the next digit of our solution. 
Result so far: 511684.10457516
Subtract 918 from 970 to get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

The final outcome is 511684.10457516, with a leftover of 5.2e-08.