Finding the Third Proportional to 8,467.69 and 13,186.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,467.69 : 13,186.50 = 13,186.50 : x
2. Step 2: Convert to fraction form
   8,467.69/13,186.50 = 13,186.50/x
3. Step 3: Cross multiply
   8,467.69x = 13,186.50 × 13,186.50
4. Step 4: Simplify right side
   8,467.69x = 173,883,782.25
5. Step 5: Solve for x
   x = 173,883,782.25/8,467.69
6. Step 6: Final answer
   x = 20,534.98