Finding the Third Proportional to 225,666 and 495,612

Step by Step Solution

1. Step 1: Write the proportion equation
   225,666 : 495,612 = 495,612 : x
2. Step 2: Convert to fraction form
   225,666/495,612 = 495,612/x
3. Step 3: Cross multiply
   225,666x = 495,612 × 495,612
4. Step 4: Simplify right side
   225,666x = 245,631,254,544
5. Step 5: Solve for x
   x = 245,631,254,544/225,666
6. Step 6: Final answer
   x = 1,088,472.59