Finding the Third Proportional to 564,499 and 1,217,630

Step by Step Solution

1. Step 1: Write the proportion equation
   564,499 : 1,217,630 = 1,217,630 : x
2. Step 2: Convert to fraction form
   564,499/1,217,630 = 1,217,630/x
3. Step 3: Cross multiply
   564,499x = 1,217,630 × 1,217,630
4. Step 4: Simplify right side
   564,499x = 1,482,622,816,900
5. Step 5: Solve for x
   x = 1,482,622,816,900/564,499
6. Step 6: Final answer
   x = 2,626,440.11