Finding the Third Proportional to 20,952 and 28,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,952 : 28,471.50 = 28,471.50 : x
2. Step 2: Convert to fraction form
   20,952/28,471.50 = 28,471.50/x
3. Step 3: Cross multiply
   20,952x = 28,471.50 × 28,471.50
4. Step 4: Simplify right side
   20,952x = 810,626,312.25
5. Step 5: Solve for x
   x = 810,626,312.25/20,952
6. Step 6: Final answer
   x = 38,689.69