Finding the Third Proportional to 40.05 and 61.40

Step by Step Solution

1. Step 1: Write the proportion equation
   40.05 : 61.40 = 61.40 : x
2. Step 2: Convert to fraction form
   40.05/61.40 = 61.40/x
3. Step 3: Cross multiply
   40.05x = 61.40 × 61.40
4. Step 4: Simplify right side
   40.05x = 3,770.01
5. Step 5: Solve for x
   x = 3,770.01/40.05
6. Step 6: Final answer
   x = 94.13