Finding the Third Proportional to 12,291.75 and 15,754.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,291.75 : 15,754.50 = 15,754.50 : x
2. Step 2: Convert to fraction form
   12,291.75/15,754.50 = 15,754.50/x
3. Step 3: Cross multiply
   12,291.75x = 15,754.50 × 15,754.50
4. Step 4: Simplify right side
   12,291.75x = 248,204,270.25
5. Step 5: Solve for x
   x = 248,204,270.25/12,291.75
6. Step 6: Final answer
   x = 20,192.75