Finding the Third Proportional to 2,587,036 and 5,442,218

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,036 : 5,442,218 = 5,442,218 : x
2. Step 2: Convert to fraction form
   2,587,036/5,442,218 = 5,442,218/x
3. Step 3: Cross multiply
   2,587,036x = 5,442,218 × 5,442,218
4. Step 4: Simplify right side
   2,587,036x = 29,617,736,759,524
5. Step 5: Solve for x
   x = 29,617,736,759,524/2,587,036
6. Step 6: Final answer
   x = 11,448,521.30