Finding the Third Proportional to 11,025.38 and 16,640.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,025.38 : 16,640.63 = 16,640.63 : x
2. Step 2: Convert to fraction form
   11,025.38/16,640.63 = 16,640.63/x
3. Step 3: Cross multiply
   11,025.38x = 16,640.63 × 16,640.63
4. Step 4: Simplify right side
   11,025.38x = 276,910,400.39
5. Step 5: Solve for x
   x = 276,910,400.39/11,025.38
6. Step 6: Final answer
   x = 25,115.74