Finding the Third Proportional to 8,529.75 and 13,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,529.75 : 13,159.50 = 13,159.50 : x
2. Step 2: Convert to fraction form
   8,529.75/13,159.50 = 13,159.50/x
3. Step 3: Cross multiply
   8,529.75x = 13,159.50 × 13,159.50
4. Step 4: Simplify right side
   8,529.75x = 173,172,440.25
5. Step 5: Solve for x
   x = 173,172,440.25/8,529.75
6. Step 6: Final answer
   x = 20,302.17