Finding the Third Proportional to 2,545,110 and 5,454,544.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,110 : 5,454,544.50 = 5,454,544.50 : x
2. Step 2: Convert to fraction form
   2,545,110/5,454,544.50 = 5,454,544.50/x
3. Step 3: Cross multiply
   2,545,110x = 5,454,544.50 × 5,454,544.50
4. Step 4: Simplify right side
   2,545,110x = 29,752,055,702,480.25
5. Step 5: Solve for x
   x = 29,752,055,702,480.25/2,545,110
6. Step 6: Final answer
   x = 11,689,889.91