Finding the Third Proportional to 243,394.50 and 363,066

Step by Step Solution

1. Step 1: Write the proportion equation
   243,394.50 : 363,066 = 363,066 : x
2. Step 2: Convert to fraction form
   243,394.50/363,066 = 363,066/x
3. Step 3: Cross multiply
   243,394.50x = 363,066 × 363,066
4. Step 4: Simplify right side
   243,394.50x = 131,816,920,356
5. Step 5: Solve for x
   x = 131,816,920,356/243,394.50
6. Step 6: Final answer
   x = 541,577.24