Finding the Third Proportional to 648,656 and 1,419,493

Step by Step Solution

1. Step 1: Write the proportion equation
   648,656 : 1,419,493 = 1,419,493 : x
2. Step 2: Convert to fraction form
   648,656/1,419,493 = 1,419,493/x
3. Step 3: Cross multiply
   648,656x = 1,419,493 × 1,419,493
4. Step 4: Simplify right side
   648,656x = 2,014,960,377,049
5. Step 5: Solve for x
   x = 2,014,960,377,049/648,656
6. Step 6: Final answer
   x = 3,106,362.04