Finding the Third Proportional to 228,900 and 495,912

Step by Step Solution

1. Step 1: Write the proportion equation
   228,900 : 495,912 = 495,912 : x
2. Step 2: Convert to fraction form
   228,900/495,912 = 495,912/x
3. Step 3: Cross multiply
   228,900x = 495,912 × 495,912
4. Step 4: Simplify right side
   228,900x = 245,928,711,744
5. Step 5: Solve for x
   x = 245,928,711,744/228,900
6. Step 6: Final answer
   x = 1,074,393.67