Finding the Third Proportional to 40.50 and 60.86

Step by Step Solution

1. Step 1: Write the proportion equation
   40.50 : 60.86 = 60.86 : x
2. Step 2: Convert to fraction form
   40.50/60.86 = 60.86/x
3. Step 3: Cross multiply
   40.50x = 60.86 × 60.86
4. Step 4: Simplify right side
   40.50x = 3,703.39
5. Step 5: Solve for x
   x = 3,703.39/40.50
6. Step 6: Final answer
   x = 91.44