Finding the Third Proportional to 225,524 and 495,686

Step by Step Solution

1. Step 1: Write the proportion equation
   225,524 : 495,686 = 495,686 : x
2. Step 2: Convert to fraction form
   225,524/495,686 = 495,686/x
3. Step 3: Cross multiply
   225,524x = 495,686 × 495,686
4. Step 4: Simplify right side
   225,524x = 245,704,610,596
5. Step 5: Solve for x
   x = 245,704,610,596/225,524
6. Step 6: Final answer
   x = 1,089,483.21