Finding the Third Proportional to 10,939.50 and 16,935.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,939.50 : 16,935.75 = 16,935.75 : x
2. Step 2: Convert to fraction form
   10,939.50/16,935.75 = 16,935.75/x
3. Step 3: Cross multiply
   10,939.50x = 16,935.75 × 16,935.75
4. Step 4: Simplify right side
   10,939.50x = 286,819,628.06
5. Step 5: Solve for x
   x = 286,819,628.06/10,939.50
6. Step 6: Final answer
   x = 26,218.71