Finding the Third Proportional to 5,865.50 and 12,216.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,865.50 : 12,216.25 = 12,216.25 : x
2. Step 2: Convert to fraction form
   5,865.50/12,216.25 = 12,216.25/x
3. Step 3: Cross multiply
   5,865.50x = 12,216.25 × 12,216.25
4. Step 4: Simplify right side
   5,865.50x = 149,236,764.06
5. Step 5: Solve for x
   x = 149,236,764.06/5,865.50
6. Step 6: Final answer
   x = 25,443.14