Finding the Third Proportional to 21,292.50 and 43,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,292.50 : 43,951.50 = 43,951.50 : x
2. Step 2: Convert to fraction form
   21,292.50/43,951.50 = 43,951.50/x
3. Step 3: Cross multiply
   21,292.50x = 43,951.50 × 43,951.50
4. Step 4: Simplify right side
   21,292.50x = 1,931,734,352.25
5. Step 5: Solve for x
   x = 1,931,734,352.25/21,292.50
6. Step 6: Final answer
   x = 90,723.70