Finding the Third Proportional to 647,766 and 1,423,068

Step by Step Solution

1. Step 1: Write the proportion equation
   647,766 : 1,423,068 = 1,423,068 : x
2. Step 2: Convert to fraction form
   647,766/1,423,068 = 1,423,068/x
3. Step 3: Cross multiply
   647,766x = 1,423,068 × 1,423,068
4. Step 4: Simplify right side
   647,766x = 2,025,122,532,624
5. Step 5: Solve for x
   x = 2,025,122,532,624/647,766
6. Step 6: Final answer
   x = 3,126,318.04