Finding the Third Proportional to 2,189,469 and 3,486,570

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,469 : 3,486,570 = 3,486,570 : x
2. Step 2: Convert to fraction form
   2,189,469/3,486,570 = 3,486,570/x
3. Step 3: Cross multiply
   2,189,469x = 3,486,570 × 3,486,570
4. Step 4: Simplify right side
   2,189,469x = 12,156,170,364,900
5. Step 5: Solve for x
   x = 12,156,170,364,900/2,189,469
6. Step 6: Final answer
   x = 5,552,108.92