Finding the Third Proportional to 155.25 and 234.56

Step by Step Solution

1. Step 1: Write the proportion equation
   155.25 : 234.56 = 234.56 : x
2. Step 2: Convert to fraction form
   155.25/234.56 = 234.56/x
3. Step 3: Cross multiply
   155.25x = 234.56 × 234.56
4. Step 4: Simplify right side
   155.25x = 55,019.57
5. Step 5: Solve for x
   x = 55,019.57/155.25
6. Step 6: Final answer
   x = 354.39