Finding the Third Proportional to 89.88 and 134.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89.88 : 134.38 = 134.38 : x
2. Step 2: Convert to fraction form
   89.88/134.38 = 134.38/x
3. Step 3: Cross multiply
   89.88x = 134.38 × 134.38
4. Step 4: Simplify right side
   89.88x = 18,056.64
5. Step 5: Solve for x
   x = 18,056.64/89.88
6. Step 6: Final answer
   x = 200.91