Finding the Third Proportional to 225,696 and 495,670

Step by Step Solution

1. Step 1: Write the proportion equation
   225,696 : 495,670 = 495,670 : x
2. Step 2: Convert to fraction form
   225,696/495,670 = 495,670/x
3. Step 3: Cross multiply
   225,696x = 495,670 × 495,670
4. Step 4: Simplify right side
   225,696x = 245,688,748,900
5. Step 5: Solve for x
   x = 245,688,748,900/225,696
6. Step 6: Final answer
   x = 1,088,582.65