Finding the Third Proportional to 3,272,314 and 7,642,779

Step by Step Solution

1. Step 1: Write the proportion equation
   3,272,314 : 7,642,779 = 7,642,779 : x
2. Step 2: Convert to fraction form
   3,272,314/7,642,779 = 7,642,779/x
3. Step 3: Cross multiply
   3,272,314x = 7,642,779 × 7,642,779
4. Step 4: Simplify right side
   3,272,314x = 58,412,070,842,841
5. Step 5: Solve for x
   x = 58,412,070,842,841/3,272,314
6. Step 6: Final answer
   x = 17,850,386.86