Finding the Third Proportional to 2,555,440 and 5,465,448

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,440 : 5,465,448 = 5,465,448 : x
2. Step 2: Convert to fraction form
   2,555,440/5,465,448 = 5,465,448/x
3. Step 3: Cross multiply
   2,555,440x = 5,465,448 × 5,465,448
4. Step 4: Simplify right side
   2,555,440x = 29,871,121,840,704
5. Step 5: Solve for x
   x = 29,871,121,840,704/2,555,440
6. Step 6: Final answer
   x = 11,689,228.41