Finding the Third Proportional to 11,080 and 16,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,080 : 16,619.50 = 16,619.50 : x
2. Step 2: Convert to fraction form
   11,080/16,619.50 = 16,619.50/x
3. Step 3: Cross multiply
   11,080x = 16,619.50 × 16,619.50
4. Step 4: Simplify right side
   11,080x = 276,207,780.25
5. Step 5: Solve for x
   x = 276,207,780.25/11,080
6. Step 6: Final answer
   x = 24,928.50