Finding the Third Proportional to 11,761 and 18,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,761 : 18,016.50 = 18,016.50 : x
2. Step 2: Convert to fraction form
   11,761/18,016.50 = 18,016.50/x
3. Step 3: Cross multiply
   11,761x = 18,016.50 × 18,016.50
4. Step 4: Simplify right side
   11,761x = 324,594,272.25
5. Step 5: Solve for x
   x = 324,594,272.25/11,761
6. Step 6: Final answer
   x = 27,599.21