Finding the Third Proportional to 2,656,863 and 5,502,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656,863 : 5,502,780 = 5,502,780 : x
2. Step 2: Convert to fraction form
   2,656,863/5,502,780 = 5,502,780/x
3. Step 3: Cross multiply
   2,656,863x = 5,502,780 × 5,502,780
4. Step 4: Simplify right side
   2,656,863x = 30,280,587,728,400
5. Step 5: Solve for x
   x = 30,280,587,728,400/2,656,863
6. Step 6: Final answer
   x = 11,397,120.49