Finding the Third Proportional to 11,135.50 and 15,663.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,135.50 : 15,663.75 = 15,663.75 : x
2. Step 2: Convert to fraction form
   11,135.50/15,663.75 = 15,663.75/x
3. Step 3: Cross multiply
   11,135.50x = 15,663.75 × 15,663.75
4. Step 4: Simplify right side
   11,135.50x = 245,353,064.06
5. Step 5: Solve for x
   x = 245,353,064.06/11,135.50
6. Step 6: Final answer
   x = 22,033.41