Finding the Third Proportional to 58,690,676 and 138,096,684

Step by Step Solution

1. Step 1: Write the proportion equation
   58,690,676 : 138,096,684 = 138,096,684 : x
2. Step 2: Convert to fraction form
   58,690,676/138,096,684 = 138,096,684/x
3. Step 3: Cross multiply
   58,690,676x = 138,096,684 × 138,096,684
4. Step 4: Simplify right side
   58,690,676x = 19,070,694,131,795,856
5. Step 5: Solve for x
   x = 19,070,694,131,795,856/58,690,676
6. Step 6: Final answer
   x = 324,935,670.05