Finding the Third Proportional to 648,081 and 1,337,607

Step by Step Solution

1. Step 1: Write the proportion equation
   648,081 : 1,337,607 = 1,337,607 : x
2. Step 2: Convert to fraction form
   648,081/1,337,607 = 1,337,607/x
3. Step 3: Cross multiply
   648,081x = 1,337,607 × 1,337,607
4. Step 4: Simplify right side
   648,081x = 1,789,192,486,449
5. Step 5: Solve for x
   x = 1,789,192,486,449/648,081
6. Step 6: Final answer
   x = 2,760,754.42