Finding the Third Proportional to 62,980,900,895 and 138,799,315,533

Step by Step Solution

1. Step 1: Write the proportion equation
   62,980,900,895 : 138,799,315,533 = 138,799,315,533 : x
2. Step 2: Convert to fraction form
   62,980,900,895/138,799,315,533 = 138,799,315,533/x
3. Step 3: Cross multiply
   62,980,900,895x = 138,799,315,533 × 138,799,315,533
4. Step 4: Simplify right side
   62,980,900,895x = 19,265,249,992,429,294,059,520
5. Step 5: Solve for x
   x = 19,265,249,992,429,294,059,520/62,980,900,895
6. Step 6: Final answer
   x = 305,890,352,768.18