Finding the Third Proportional to 234.69 and 354.56

Step by Step Solution

1. Step 1: Write the proportion equation
   234.69 : 354.56 = 354.56 : x
2. Step 2: Convert to fraction form
   234.69/354.56 = 354.56/x
3. Step 3: Cross multiply
   234.69x = 354.56 × 354.56
4. Step 4: Simplify right side
   234.69x = 125,714.57
5. Step 5: Solve for x
   x = 125,714.57/234.69
6. Step 6: Final answer
   x = 535.67