Finding the Third Proportional to 103.75 and 144.25

Step by Step Solution

1. Step 1: Write the proportion equation
   103.75 : 144.25 = 144.25 : x
2. Step 2: Convert to fraction form
   103.75/144.25 = 144.25/x
3. Step 3: Cross multiply
   103.75x = 144.25 × 144.25
4. Step 4: Simplify right side
   103.75x = 20,808.06
5. Step 5: Solve for x
   x = 20,808.06/103.75
6. Step 6: Final answer
   x = 200.56