Finding the Third Proportional to 68,088,643.50 and 141,022,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,088,643.50 : 141,022,123.50 = 141,022,123.50 : x
2. Step 2: Convert to fraction form
   68,088,643.50/141,022,123.50 = 141,022,123.50/x
3. Step 3: Cross multiply
   68,088,643.50x = 141,022,123.50 × 141,022,123.50
4. Step 4: Simplify right side
   68,088,643.50x = 19,887,239,316,449,252
5. Step 5: Solve for x
   x = 19,887,239,316,449,252/68,088,643.50
6. Step 6: Final answer
   x = 292,078,653.56