Finding the Third Proportional to 647,795 and 1,423,126

Step by Step Solution

1. Step 1: Write the proportion equation
   647,795 : 1,423,126 = 1,423,126 : x
2. Step 2: Convert to fraction form
   647,795/1,423,126 = 1,423,126/x
3. Step 3: Cross multiply
   647,795x = 1,423,126 × 1,423,126
4. Step 4: Simplify right side
   647,795x = 2,025,287,611,876
5. Step 5: Solve for x
   x = 2,025,287,611,876/647,795
6. Step 6: Final answer
   x = 3,126,432.92