Finding the Third Proportional to 86,137,665.50 and 132,399,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,137,665.50 : 132,399,654.50 = 132,399,654.50 : x
2. Step 2: Convert to fraction form
   86,137,665.50/132,399,654.50 = 132,399,654.50/x
3. Step 3: Cross multiply
   86,137,665.50x = 132,399,654.50 × 132,399,654.50
4. Step 4: Simplify right side
   86,137,665.50x = 17,529,668,511,719,370
5. Step 5: Solve for x
   x = 17,529,668,511,719,370/86,137,665.50
6. Step 6: Final answer
   x = 203,507,587.65