Finding the Third Proportional to 228,644 and 495,448

Step by Step Solution

1. Step 1: Write the proportion equation
   228,644 : 495,448 = 495,448 : x
2. Step 2: Convert to fraction form
   228,644/495,448 = 495,448/x
3. Step 3: Cross multiply
   228,644x = 495,448 × 495,448
4. Step 4: Simplify right side
   228,644x = 245,468,720,704
5. Step 5: Solve for x
   x = 245,468,720,704/228,644
6. Step 6: Final answer
   x = 1,073,584.79