Finding the Third Proportional to 2,189,468 and 3,486,569

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,468 : 3,486,569 = 3,486,569 : x
2. Step 2: Convert to fraction form
   2,189,468/3,486,569 = 3,486,569/x
3. Step 3: Cross multiply
   2,189,468x = 3,486,569 × 3,486,569
4. Step 4: Simplify right side
   2,189,468x = 12,156,163,391,761
5. Step 5: Solve for x
   x = 12,156,163,391,761/2,189,468
6. Step 6: Final answer
   x = 5,552,108.27