Finding the Third Proportional to 2,541,438 and 5,580,540

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541,438 : 5,580,540 = 5,580,540 : x
2. Step 2: Convert to fraction form
   2,541,438/5,580,540 = 5,580,540/x
3. Step 3: Cross multiply
   2,541,438x = 5,580,540 × 5,580,540
4. Step 4: Simplify right side
   2,541,438x = 31,142,426,691,600
5. Step 5: Solve for x
   x = 31,142,426,691,600/2,541,438
6. Step 6: Final answer
   x = 12,253,860.49