Finding the Third Proportional to 302,592 and 658,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,592 : 658,411.50 = 658,411.50 : x
2. Step 2: Convert to fraction form
   302,592/658,411.50 = 658,411.50/x
3. Step 3: Cross multiply
   302,592x = 658,411.50 × 658,411.50
4. Step 4: Simplify right side
   302,592x = 433,505,703,332.25
5. Step 5: Solve for x
   x = 433,505,703,332.25/302,592
6. Step 6: Final answer
   x = 1,432,640.99