Finding the Third Proportional to 109,313.50 and 239,066

Step by Step Solution

1. Step 1: Write the proportion equation
   109,313.50 : 239,066 = 239,066 : x
2. Step 2: Convert to fraction form
   109,313.50/239,066 = 239,066/x
3. Step 3: Cross multiply
   109,313.50x = 239,066 × 239,066
4. Step 4: Simplify right side
   109,313.50x = 57,152,552,356
5. Step 5: Solve for x
   x = 57,152,552,356/109,313.50
6. Step 6: Final answer
   x = 522,831.60