Finding the Third Proportional to 243,708 and 534,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,708 : 534,493.50 = 534,493.50 : x
2. Step 2: Convert to fraction form
   243,708/534,493.50 = 534,493.50/x
3. Step 3: Cross multiply
   243,708x = 534,493.50 × 534,493.50
4. Step 4: Simplify right side
   243,708x = 285,683,301,542.25
5. Step 5: Solve for x
   x = 285,683,301,542.25/243,708
6. Step 6: Final answer
   x = 1,172,236.04