Finding the Third Proportional to 114.89 and 228.52

Step by Step Solution

1. Step 1: Write the proportion equation
   114.89 : 228.52 = 228.52 : x
2. Step 2: Convert to fraction form
   114.89/228.52 = 228.52/x
3. Step 3: Cross multiply
   114.89x = 228.52 × 228.52
4. Step 4: Simplify right side
   114.89x = 52,219.39
5. Step 5: Solve for x
   x = 52,219.39/114.89
6. Step 6: Final answer
   x = 454.51