Finding the Third Proportional to 89.37 and 134.51

Step by Step Solution

1. Step 1: Write the proportion equation
   89.37 : 134.51 = 134.51 : x
2. Step 2: Convert to fraction form
   89.37/134.51 = 134.51/x
3. Step 3: Cross multiply
   89.37x = 134.51 × 134.51
4. Step 4: Simplify right side
   89.37x = 18,092.35
5. Step 5: Solve for x
   x = 18,092.35/89.37
6. Step 6: Final answer
   x = 202.45