Finding the Third Proportional to 12,305.67 and 17,499.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,305.67 : 17,499.80 = 17,499.80 : x
2. Step 2: Convert to fraction form
   12,305.67/17,499.80 = 17,499.80/x
3. Step 3: Cross multiply
   12,305.67x = 17,499.80 × 17,499.80
4. Step 4: Simplify right side
   12,305.67x = 306,242,890.67
5. Step 5: Solve for x
   x = 306,242,890.67/12,305.67
6. Step 6: Final answer
   x = 24,886.32