Finding the Third Proportional to 12,013.31 and 17,708.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,013.31 : 17,708.63 = 17,708.63 : x
2. Step 2: Convert to fraction form
   12,013.31/17,708.63 = 17,708.63/x
3. Step 3: Cross multiply
   12,013.31x = 17,708.63 × 17,708.63
4. Step 4: Simplify right side
   12,013.31x = 313,595,399.39
5. Step 5: Solve for x
   x = 313,595,399.39/12,013.31
6. Step 6: Final answer
   x = 26,103.99