Finding the Third Proportional to 647,496 and 1,320,684

Step by Step Solution

1. Step 1: Write the proportion equation
   647,496 : 1,320,684 = 1,320,684 : x
2. Step 2: Convert to fraction form
   647,496/1,320,684 = 1,320,684/x
3. Step 3: Cross multiply
   647,496x = 1,320,684 × 1,320,684
4. Step 4: Simplify right side
   647,496x = 1,744,206,227,856
5. Step 5: Solve for x
   x = 1,744,206,227,856/647,496
6. Step 6: Final answer
   x = 2,693,771.43