Finding the Third Proportional to 2,518,720 and 5,435,468

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518,720 : 5,435,468 = 5,435,468 : x
2. Step 2: Convert to fraction form
   2,518,720/5,435,468 = 5,435,468/x
3. Step 3: Cross multiply
   2,518,720x = 5,435,468 × 5,435,468
4. Step 4: Simplify right side
   2,518,720x = 29,544,312,379,024
5. Step 5: Solve for x
   x = 29,544,312,379,024/2,518,720
6. Step 6: Final answer
   x = 11,729,891.52