Finding the Third Proportional to 60,909,216 and 131,854,656

Step by Step Solution

1. Step 1: Write the proportion equation
   60,909,216 : 131,854,656 = 131,854,656 : x
2. Step 2: Convert to fraction form
   60,909,216/131,854,656 = 131,854,656/x
3. Step 3: Cross multiply
   60,909,216x = 131,854,656 × 131,854,656
4. Step 4: Simplify right side
   60,909,216x = 17,385,650,308,878,336
5. Step 5: Solve for x
   x = 17,385,650,308,878,336/60,909,216
6. Step 6: Final answer
   x = 285,435,463.64