Finding the Third Proportional to 11,500 and 25,105

Step by Step Solution

1. Step 1: Write the proportion equation
   11,500 : 25,105 = 25,105 : x
2. Step 2: Convert to fraction form
   11,500/25,105 = 25,105/x
3. Step 3: Cross multiply
   11,500x = 25,105 × 25,105
4. Step 4: Simplify right side
   11,500x = 630,261,025
5. Step 5: Solve for x
   x = 630,261,025/11,500
6. Step 6: Final answer
   x = 54,805.31