Finding the Third Proportional to 2,605,386 and 5,656,398

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,386 : 5,656,398 = 5,656,398 : x
2. Step 2: Convert to fraction form
   2,605,386/5,656,398 = 5,656,398/x
3. Step 3: Cross multiply
   2,605,386x = 5,656,398 × 5,656,398
4. Step 4: Simplify right side
   2,605,386x = 31,994,838,334,404
5. Step 5: Solve for x
   x = 31,994,838,334,404/2,605,386
6. Step 6: Final answer
   x = 12,280,268.00