Finding the Third Proportional to 2,565,990 and 3,587,413

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565,990 : 3,587,413 = 3,587,413 : x
2. Step 2: Convert to fraction form
   2,565,990/3,587,413 = 3,587,413/x
3. Step 3: Cross multiply
   2,565,990x = 3,587,413 × 3,587,413
4. Step 4: Simplify right side
   2,565,990x = 12,869,532,032,569
5. Step 5: Solve for x
   x = 12,869,532,032,569/2,565,990
6. Step 6: Final answer
   x = 5,015,425.64