Finding the Third Proportional to 40,965.75 and 55,609.88

Step by Step Solution

1. Step 1: Write the proportion equation
   40,965.75 : 55,609.88 = 55,609.88 : x
2. Step 2: Convert to fraction form
   40,965.75/55,609.88 = 55,609.88/x
3. Step 3: Cross multiply
   40,965.75x = 55,609.88 × 55,609.88
4. Step 4: Simplify right side
   40,965.75x = 3,092,458,197.52
5. Step 5: Solve for x
   x = 3,092,458,197.52/40,965.75
6. Step 6: Final answer
   x = 75,488.87