Finding the Third Proportional to 87.89 and 133.59

Step by Step Solution

1. Step 1: Write the proportion equation
   87.89 : 133.59 = 133.59 : x
2. Step 2: Convert to fraction form
   87.89/133.59 = 133.59/x
3. Step 3: Cross multiply
   87.89x = 133.59 × 133.59
4. Step 4: Simplify right side
   87.89x = 17,847.29
5. Step 5: Solve for x
   x = 17,847.29/87.89
6. Step 6: Final answer
   x = 203.06