Finding the Third Proportional to 96.94 and 145.31

Step by Step Solution

1. Step 1: Write the proportion equation
   96.94 : 145.31 = 145.31 : x
2. Step 2: Convert to fraction form
   96.94/145.31 = 145.31/x
3. Step 3: Cross multiply
   96.94x = 145.31 × 145.31
4. Step 4: Simplify right side
   96.94x = 21,115.72
5. Step 5: Solve for x
   x = 21,115.72/96.94
6. Step 6: Final answer
   x = 217.83