Finding the Third Proportional to 8,559 and 13,150

Step by Step Solution

1. Step 1: Write the proportion equation
   8,559 : 13,150 = 13,150 : x
2. Step 2: Convert to fraction form
   8,559/13,150 = 13,150/x
3. Step 3: Cross multiply
   8,559x = 13,150 × 13,150
4. Step 4: Simplify right side
   8,559x = 172,922,500
5. Step 5: Solve for x
   x = 172,922,500/8,559
6. Step 6: Final answer
   x = 20,203.59