Finding the Third Proportional to 16,910.81 and 26,286.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,910.81 : 26,286.71 = 26,286.71 : x
2. Step 2: Convert to fraction form
   16,910.81/26,286.71 = 26,286.71/x
3. Step 3: Cross multiply
   16,910.81x = 26,286.71 × 26,286.71
4. Step 4: Simplify right side
   16,910.81x = 690,991,377.28
5. Step 5: Solve for x
   x = 690,991,377.28/16,910.81
6. Step 6: Final answer
   x = 40,860.94