Finding the Third Proportional to 20,694.25 and 31,708.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,694.25 : 31,708.50 = 31,708.50 : x
2. Step 2: Convert to fraction form
   20,694.25/31,708.50 = 31,708.50/x
3. Step 3: Cross multiply
   20,694.25x = 31,708.50 × 31,708.50
4. Step 4: Simplify right side
   20,694.25x = 1,005,428,972.25
5. Step 5: Solve for x
   x = 1,005,428,972.25/20,694.25
6. Step 6: Final answer
   x = 48,584.94