Finding the Third Proportional to 2,445,878 and 5,187,730

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445,878 : 5,187,730 = 5,187,730 : x
2. Step 2: Convert to fraction form
   2,445,878/5,187,730 = 5,187,730/x
3. Step 3: Cross multiply
   2,445,878x = 5,187,730 × 5,187,730
4. Step 4: Simplify right side
   2,445,878x = 26,912,542,552,900
5. Step 5: Solve for x
   x = 26,912,542,552,900/2,445,878
6. Step 6: Final answer
   x = 11,003,223.61