Finding the Third Proportional to 249,340.50 and 534,402

Step by Step Solution

1. Step 1: Write the proportion equation
   249,340.50 : 534,402 = 534,402 : x
2. Step 2: Convert to fraction form
   249,340.50/534,402 = 534,402/x
3. Step 3: Cross multiply
   249,340.50x = 534,402 × 534,402
4. Step 4: Simplify right side
   249,340.50x = 285,585,497,604
5. Step 5: Solve for x
   x = 285,585,497,604/249,340.50
6. Step 6: Final answer
   x = 1,145,363.46