Finding the Third Proportional to 2,518,728 and 5,435,480

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518,728 : 5,435,480 = 5,435,480 : x
2. Step 2: Convert to fraction form
   2,518,728/5,435,480 = 5,435,480/x
3. Step 3: Cross multiply
   2,518,728x = 5,435,480 × 5,435,480
4. Step 4: Simplify right side
   2,518,728x = 29,544,442,830,400
5. Step 5: Solve for x
   x = 29,544,442,830,400/2,518,728
6. Step 6: Final answer
   x = 11,729,906.06