Finding the Third Proportional to 20,047.50 and 28,248.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,047.50 : 28,248.75 = 28,248.75 : x
2. Step 2: Convert to fraction form
   20,047.50/28,248.75 = 28,248.75/x
3. Step 3: Cross multiply
   20,047.50x = 28,248.75 × 28,248.75
4. Step 4: Simplify right side
   20,047.50x = 797,991,876.56
5. Step 5: Solve for x
   x = 797,991,876.56/20,047.50
6. Step 6: Final answer
   x = 39,805.06