Finding the Third Proportional to 2,555,500 and 5,485,587

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,500 : 5,485,587 = 5,485,587 : x
2. Step 2: Convert to fraction form
   2,555,500/5,485,587 = 5,485,587/x
3. Step 3: Cross multiply
   2,555,500x = 5,485,587 × 5,485,587
4. Step 4: Simplify right side
   2,555,500x = 30,091,664,734,569
5. Step 5: Solve for x
   x = 30,091,664,734,569/2,555,500
6. Step 6: Final answer
   x = 11,775,255.23