Finding the Third Proportional to 647,506 and 1,320,704

Step by Step Solution

1. Step 1: Write the proportion equation
   647,506 : 1,320,704 = 1,320,704 : x
2. Step 2: Convert to fraction form
   647,506/1,320,704 = 1,320,704/x
3. Step 3: Cross multiply
   647,506x = 1,320,704 × 1,320,704
4. Step 4: Simplify right side
   647,506x = 1,744,259,055,616
5. Step 5: Solve for x
   x = 1,744,259,055,616/647,506
6. Step 6: Final answer
   x = 2,693,811.42