Finding the Third Proportional to 12,789.75 and 27,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,789.75 : 27,951.50 = 27,951.50 : x
2. Step 2: Convert to fraction form
   12,789.75/27,951.50 = 27,951.50/x
3. Step 3: Cross multiply
   12,789.75x = 27,951.50 × 27,951.50
4. Step 4: Simplify right side
   12,789.75x = 781,286,352.25
5. Step 5: Solve for x
   x = 781,286,352.25/12,789.75
6. Step 6: Final answer
   x = 61,086.91