Finding the Third Proportional to 94.45 and 142.86

Step by Step Solution

1. Step 1: Write the proportion equation
   94.45 : 142.86 = 142.86 : x
2. Step 2: Convert to fraction form
   94.45/142.86 = 142.86/x
3. Step 3: Cross multiply
   94.45x = 142.86 × 142.86
4. Step 4: Simplify right side
   94.45x = 20,408.24
5. Step 5: Solve for x
   x = 20,408.24/94.45
6. Step 6: Final answer
   x = 216.08