Finding the Third Proportional to 11,121.05 and 16,801.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,121.05 : 16,801.17 = 16,801.17 : x
2. Step 2: Convert to fraction form
   11,121.05/16,801.17 = 16,801.17/x
3. Step 3: Cross multiply
   11,121.05x = 16,801.17 × 16,801.17
4. Step 4: Simplify right side
   11,121.05x = 282,279,376.37
5. Step 5: Solve for x
   x = 282,279,376.37/11,121.05
6. Step 6: Final answer
   x = 25,382.45