Finding the Third Proportional to 98,387,309 and 215,308,714

Step by Step Solution

1. Step 1: Write the proportion equation
   98,387,309 : 215,308,714 = 215,308,714 : x
2. Step 2: Convert to fraction form
   98,387,309/215,308,714 = 215,308,714/x
3. Step 3: Cross multiply
   98,387,309x = 215,308,714 × 215,308,714
4. Step 4: Simplify right side
   98,387,309x = 46,357,842,324,333,792
5. Step 5: Solve for x
   x = 46,357,842,324,333,792/98,387,309
6. Step 6: Final answer
   x = 471,177,053.17