Finding the Third Proportional to 225,522 and 495,684

Step by Step Solution

1. Step 1: Write the proportion equation
   225,522 : 495,684 = 495,684 : x
2. Step 2: Convert to fraction form
   225,522/495,684 = 495,684/x
3. Step 3: Cross multiply
   225,522x = 495,684 × 495,684
4. Step 4: Simplify right side
   225,522x = 245,702,627,856
5. Step 5: Solve for x
   x = 245,702,627,856/225,522
6. Step 6: Final answer
   x = 1,089,484.08