Finding the Third Proportional to 11,218.50 and 16,305.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,218.50 : 16,305.75 = 16,305.75 : x
2. Step 2: Convert to fraction form
   11,218.50/16,305.75 = 16,305.75/x
3. Step 3: Cross multiply
   11,218.50x = 16,305.75 × 16,305.75
4. Step 4: Simplify right side
   11,218.50x = 265,877,483.06
5. Step 5: Solve for x
   x = 265,877,483.06/11,218.50
6. Step 6: Final answer
   x = 23,699.91