Finding the Third Proportional to 2,605,406 and 5,656,436

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,406 : 5,656,436 = 5,656,436 : x
2. Step 2: Convert to fraction form
   2,605,406/5,656,436 = 5,656,436/x
3. Step 3: Cross multiply
   2,605,406x = 5,656,436 × 5,656,436
4. Step 4: Simplify right side
   2,605,406x = 31,995,268,222,096
5. Step 5: Solve for x
   x = 31,995,268,222,096/2,605,406
6. Step 6: Final answer
   x = 12,280,338.73