Finding the Third Proportional to 20,866.50 and 31,293.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,866.50 : 31,293.75 = 31,293.75 : x
2. Step 2: Convert to fraction form
   20,866.50/31,293.75 = 31,293.75/x
3. Step 3: Cross multiply
   20,866.50x = 31,293.75 × 31,293.75
4. Step 4: Simplify right side
   20,866.50x = 979,298,789.06
5. Step 5: Solve for x
   x = 979,298,789.06/20,866.50
6. Step 6: Final answer
   x = 46,931.63