Finding the Third Proportional to 131.34 and 197.86

Step by Step Solution

1. Step 1: Write the proportion equation
   131.34 : 197.86 = 197.86 : x
2. Step 2: Convert to fraction form
   131.34/197.86 = 197.86/x
3. Step 3: Cross multiply
   131.34x = 197.86 × 197.86
4. Step 4: Simplify right side
   131.34x = 39,148.33
5. Step 5: Solve for x
   x = 39,148.33/131.34
6. Step 6: Final answer
   x = 298.06