Finding the Third Proportional to 15,909.75 and 28,363.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,909.75 : 28,363.50 = 28,363.50 : x
2. Step 2: Convert to fraction form
   15,909.75/28,363.50 = 28,363.50/x
3. Step 3: Cross multiply
   15,909.75x = 28,363.50 × 28,363.50
4. Step 4: Simplify right side
   15,909.75x = 804,488,132.25
5. Step 5: Solve for x
   x = 804,488,132.25/15,909.75
6. Step 6: Final answer
   x = 50,565.73