Finding the Third Proportional to 144.88 and 246.69

Step by Step Solution

1. Step 1: Write the proportion equation
   144.88 : 246.69 = 246.69 : x
2. Step 2: Convert to fraction form
   144.88/246.69 = 246.69/x
3. Step 3: Cross multiply
   144.88x = 246.69 × 246.69
4. Step 4: Simplify right side
   144.88x = 60,854.72
5. Step 5: Solve for x
   x = 60,854.72/144.88
6. Step 6: Final answer
   x = 420.05