Finding the Third Proportional to 2,589,518 and 3,920,255

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,518 : 3,920,255 = 3,920,255 : x
2. Step 2: Convert to fraction form
   2,589,518/3,920,255 = 3,920,255/x
3. Step 3: Cross multiply
   2,589,518x = 3,920,255 × 3,920,255
4. Step 4: Simplify right side
   2,589,518x = 15,368,399,265,025
5. Step 5: Solve for x
   x = 15,368,399,265,025/2,589,518
6. Step 6: Final answer
   x = 5,934,849.37