Finding the Third Proportional to 434.88 and 960.89

Step by Step Solution

1. Step 1: Write the proportion equation
   434.88 : 960.89 = 960.89 : x
2. Step 2: Convert to fraction form
   434.88/960.89 = 960.89/x
3. Step 3: Cross multiply
   434.88x = 960.89 × 960.89
4. Step 4: Simplify right side
   434.88x = 923,310.79
5. Step 5: Solve for x
   x = 923,310.79/434.88
6. Step 6: Final answer
   x = 2,123.13