Finding the Third Proportional to 2,587,078 and 5,442,306

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,078 : 5,442,306 = 5,442,306 : x
2. Step 2: Convert to fraction form
   2,587,078/5,442,306 = 5,442,306/x
3. Step 3: Cross multiply
   2,587,078x = 5,442,306 × 5,442,306
4. Step 4: Simplify right side
   2,587,078x = 29,618,694,597,636
5. Step 5: Solve for x
   x = 29,618,694,597,636/2,587,078
6. Step 6: Final answer
   x = 11,448,705.68