Finding the Third Proportional to 2,518,920 and 5,435,856

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518,920 : 5,435,856 = 5,435,856 : x
2. Step 2: Convert to fraction form
   2,518,920/5,435,856 = 5,435,856/x
3. Step 3: Cross multiply
   2,518,920x = 5,435,856 × 5,435,856
4. Step 4: Simplify right side
   2,518,920x = 29,548,530,452,736
5. Step 5: Solve for x
   x = 29,548,530,452,736/2,518,920
6. Step 6: Final answer
   x = 11,730,634.74