Finding the Third Proportional to 100.59 and 134.81

Step by Step Solution

1. Step 1: Write the proportion equation
   100.59 : 134.81 = 134.81 : x
2. Step 2: Convert to fraction form
   100.59/134.81 = 134.81/x
3. Step 3: Cross multiply
   100.59x = 134.81 × 134.81
4. Step 4: Simplify right side
   100.59x = 18,174.41
5. Step 5: Solve for x
   x = 18,174.41/100.59
6. Step 6: Final answer
   x = 180.67