Finding the Third Proportional to 2,189,480 and 3,486,584

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,480 : 3,486,584 = 3,486,584 : x
2. Step 2: Convert to fraction form
   2,189,480/3,486,584 = 3,486,584/x
3. Step 3: Cross multiply
   2,189,480x = 3,486,584 × 3,486,584
4. Step 4: Simplify right side
   2,189,480x = 12,156,267,989,056
5. Step 5: Solve for x
   x = 12,156,267,989,056/2,189,480
6. Step 6: Final answer
   x = 5,552,125.61