Finding the Third Proportional to 2,279,040 and 3,542,880

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,040 : 3,542,880 = 3,542,880 : x
2. Step 2: Convert to fraction form
   2,279,040/3,542,880 = 3,542,880/x
3. Step 3: Cross multiply
   2,279,040x = 3,542,880 × 3,542,880
4. Step 4: Simplify right side
   2,279,040x = 12,551,998,694,400
5. Step 5: Solve for x
   x = 12,551,998,694,400/2,279,040
6. Step 6: Final answer
   x = 5,507,581.57