Finding the Third Proportional to 88,268,064 and 137,766,456

Step by Step Solution

1. Step 1: Write the proportion equation
   88,268,064 : 137,766,456 = 137,766,456 : x
2. Step 2: Convert to fraction form
   88,268,064/137,766,456 = 137,766,456/x
3. Step 3: Cross multiply
   88,268,064x = 137,766,456 × 137,766,456
4. Step 4: Simplify right side
   88,268,064x = 18,979,596,398,799,936
5. Step 5: Solve for x
   x = 18,979,596,398,799,936/88,268,064
6. Step 6: Final answer
   x = 215,022,234.98