Finding the Third Proportional to 131,394 and 272,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,394 : 272,134.50 = 272,134.50 : x
2. Step 2: Convert to fraction form
   131,394/272,134.50 = 272,134.50/x
3. Step 3: Cross multiply
   131,394x = 272,134.50 × 272,134.50
4. Step 4: Simplify right side
   131,394x = 74,057,186,090.25
5. Step 5: Solve for x
   x = 74,057,186,090.25/131,394
6. Step 6: Final answer
   x = 563,626.85