Finding the Third Proportional to 11,216.25 and 15,241.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,216.25 : 15,241.50 = 15,241.50 : x
2. Step 2: Convert to fraction form
   11,216.25/15,241.50 = 15,241.50/x
3. Step 3: Cross multiply
   11,216.25x = 15,241.50 × 15,241.50
4. Step 4: Simplify right side
   11,216.25x = 232,303,322.25
5. Step 5: Solve for x
   x = 232,303,322.25/11,216.25
6. Step 6: Final answer
   x = 20,711.32