Finding the Third Proportional to 8,810 and 12,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,810 : 12,080.50 = 12,080.50 : x
2. Step 2: Convert to fraction form
   8,810/12,080.50 = 12,080.50/x
3. Step 3: Cross multiply
   8,810x = 12,080.50 × 12,080.50
4. Step 4: Simplify right side
   8,810x = 145,938,480.25
5. Step 5: Solve for x
   x = 145,938,480.25/8,810
6. Step 6: Final answer
   x = 16,565.09