Finding the Third Proportional to 2,555,498.11 and 5,485,582.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,498.11 : 5,485,582.62 = 5,485,582.62 : x
2. Step 2: Convert to fraction form
   2,555,498.11/5,485,582.62 = 5,485,582.62/x
3. Step 3: Cross multiply
   2,555,498.11x = 5,485,582.62 × 5,485,582.62
4. Step 4: Simplify right side
   2,555,498.11x = 30,091,616,649,989.66
5. Step 5: Solve for x
   x = 30,091,616,649,989.66/2,555,498.11
6. Step 6: Final answer
   x = 11,775,245.12