Finding the Third Proportional to 131.88 and 145.94

Step by Step Solution

1. Step 1: Write the proportion equation
   131.88 : 145.94 = 145.94 : x
2. Step 2: Convert to fraction form
   131.88/145.94 = 145.94/x
3. Step 3: Cross multiply
   131.88x = 145.94 × 145.94
4. Step 4: Simplify right side
   131.88x = 21,297.75
5. Step 5: Solve for x
   x = 21,297.75/131.88
6. Step 6: Final answer
   x = 161.50