Finding the Third Proportional to 96.19 and 143.72

Step by Step Solution

1. Step 1: Write the proportion equation
   96.19 : 143.72 = 143.72 : x
2. Step 2: Convert to fraction form
   96.19/143.72 = 143.72/x
3. Step 3: Cross multiply
   96.19x = 143.72 × 143.72
4. Step 4: Simplify right side
   96.19x = 20,655.08
5. Step 5: Solve for x
   x = 20,655.08/96.19
6. Step 6: Final answer
   x = 214.74