Finding the Third Proportional to 89.33 and 190.66

Step by Step Solution

1. Step 1: Write the proportion equation
   89.33 : 190.66 = 190.66 : x
2. Step 2: Convert to fraction form
   89.33/190.66 = 190.66/x
3. Step 3: Cross multiply
   89.33x = 190.66 × 190.66
4. Step 4: Simplify right side
   89.33x = 36,349.81
5. Step 5: Solve for x
   x = 36,349.81/89.33
6. Step 6: Final answer
   x = 406.92