Finding the Third Proportional to 98,387,316 and 215,308,726

Step by Step Solution

1. Step 1: Write the proportion equation
   98,387,316 : 215,308,726 = 215,308,726 : x
2. Step 2: Convert to fraction form
   98,387,316/215,308,726 = 215,308,726/x
3. Step 3: Cross multiply
   98,387,316x = 215,308,726 × 215,308,726
4. Step 4: Simplify right side
   98,387,316x = 46,357,847,491,743,072
5. Step 5: Solve for x
   x = 46,357,847,491,743,072/98,387,316
6. Step 6: Final answer
   x = 471,177,072.17