Finding the Third Proportional to 89.81 and 132.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89.81 : 132.09 = 132.09 : x
2. Step 2: Convert to fraction form
   89.81/132.09 = 132.09/x
3. Step 3: Cross multiply
   89.81x = 132.09 × 132.09
4. Step 4: Simplify right side
   89.81x = 17,448.76
5. Step 5: Solve for x
   x = 17,448.76/89.81
6. Step 6: Final answer
   x = 194.28