Finding the Third Proportional to 2,565,540 and 5,577,626

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565,540 : 5,577,626 = 5,577,626 : x
2. Step 2: Convert to fraction form
   2,565,540/5,577,626 = 5,577,626/x
3. Step 3: Cross multiply
   2,565,540x = 5,577,626 × 5,577,626
4. Step 4: Simplify right side
   2,565,540x = 31,109,911,795,876
5. Step 5: Solve for x
   x = 31,109,911,795,876/2,565,540
6. Step 6: Final answer
   x = 12,126,067.73