Finding the Third Proportional to 2,189,482 and 3,486,587

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,482 : 3,486,587 = 3,486,587 : x
2. Step 2: Convert to fraction form
   2,189,482/3,486,587 = 3,486,587/x
3. Step 3: Cross multiply
   2,189,482x = 3,486,587 × 3,486,587
4. Step 4: Simplify right side
   2,189,482x = 12,156,288,908,569
5. Step 5: Solve for x
   x = 12,156,288,908,569/2,189,482
6. Step 6: Final answer
   x = 5,552,130.10