Finding the Third Proportional to 2,448,584 and 5,290,612

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448,584 : 5,290,612 = 5,290,612 : x
2. Step 2: Convert to fraction form
   2,448,584/5,290,612 = 5,290,612/x
3. Step 3: Cross multiply
   2,448,584x = 5,290,612 × 5,290,612
4. Step 4: Simplify right side
   2,448,584x = 27,990,575,334,544
5. Step 5: Solve for x
   x = 27,990,575,334,544/2,448,584
6. Step 6: Final answer
   x = 11,431,331.47