We look at the division of 388010 by 78 
The aim is to understand the frequency of 78 in 388010.

Let's proceed to step 1:
The number 78 fits into 3 0 times, leaving a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Take the next digit (8) from the dividend and append it to 3, then repeat: 38 / 78

Going ahead to step 2:
78 goes into 38 0 times with a remainder of 38.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 38 and we're left with 38.
Grab the next digit (8) from the dividend, add it to 38, then carry on: 388 / 78

Moving on to step 3:
If we divide 388 by 78, we get 4 and a remainder of 76.
Put 4 as the next digit of the answer. 
Result so far: 4.0
The remainder is 76 after subtracting 312 from 388.
Fetch the next digit (0) from the dividend, attach it to 76 and continue: 760 / 78

Going ahead to step 4:
78 can be fit into 760 9 times, resulting in a remainder of 58.
Record the quotient 9 as the next digit in the result. 
Result so far: 49.0
Deduct 702 from 760 and we're left with 58.
Include the next digit (1) from the dividend after 58, then repeat: 581 / 78

On to step 5:
78 can be fit into 581 7 times, resulting in a remainder of 35.
Put 7 as the next digit of the answer. 
Result so far: 497.0
Deduct 546 from 581 and we're left with 35.
Take the next digit (0) from the dividend and append it to 35, then repeat: 350 / 78

On to step 6:
If we divide 350 by 78, we get 4 and a remainder of 38.
The number 4 becomes the next digit in our result. 
Result so far: 4974.0
If we subtract 312 from 350, we get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Let's proceed to step 7:
78 can be fit into 380 4 times, resulting in a remainder of 68.
Record the quotient 4 as the next digit in the result. 
Result so far: 4974.4
Deduct 312 from 380 and we're left with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Let's proceed to step 8:
680 divided by 78 is 8 with a remainder of 56.
Put 8 as the next digit of the answer. 
Result so far: 4974.48
Subtracting 624 from 680 leaves us with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Advancing to step 9:
78 can be fit into 560 7 times, resulting in a remainder of 14.
Write down 7 as next digit of the result. 
Result so far: 4974.487
Deduct 546 from 560 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 10:
When dividing 140 by 78, we get 1 with a remainder of 62.
The number 1 becomes the next digit in our result. 
Result so far: 4974.4871
Deduct 78 from 140 and we're left with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Moving on to step 11:
When dividing 620 by 78, we get 7 with a remainder of 74.
Record the quotient 7 as the next digit in the result. 
Result so far: 4974.48717
The remainder is 74 after subtracting 546 from 620.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Step 12:
If we divide 740 by 78, we get 9 and a remainder of 38.
Record the quotient 9 as the next digit in the result. 
Result so far: 4974.487179
The remainder is 38 after subtracting 702 from 740.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

On to step 13:
When dividing 380 by 78, we get 4 with a remainder of 68.
The next digit of our result is 4. 
Result so far: 4974.4871794
Deduct 312 from 380 and we're left with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Moving on to step 14:
If we divide 680 by 78, we get 8 and a remainder of 56.
Put 8 as the next digit of the answer. 
Result so far: 4974.48717948
Subtracting 624 from 680 leaves us with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

After the division, we end up with 4974.48717948 and a remainder of 5.6e-08.