Finding the Third Proportional to 133,650 and 272,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   133,650 : 272,227.50 = 272,227.50 : x
2. Step 2: Convert to fraction form
   133,650/272,227.50 = 272,227.50/x
3. Step 3: Cross multiply
   133,650x = 272,227.50 × 272,227.50
4. Step 4: Simplify right side
   133,650x = 74,107,811,756.25
5. Step 5: Solve for x
   x = 74,107,811,756.25/133,650
6. Step 6: Final answer
   x = 554,491.67