Finding the Third Proportional to 11,785.50 and 18,481.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,785.50 : 18,481.50 = 18,481.50 : x
2. Step 2: Convert to fraction form
   11,785.50/18,481.50 = 18,481.50/x
3. Step 3: Cross multiply
   11,785.50x = 18,481.50 × 18,481.50
4. Step 4: Simplify right side
   11,785.50x = 341,565,842.25
5. Step 5: Solve for x
   x = 341,565,842.25/11,785.50
6. Step 6: Final answer
   x = 28,981.87