Finding the Third Proportional to 40,959 and 55,599.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,959 : 55,599.75 = 55,599.75 : x
2. Step 2: Convert to fraction form
   40,959/55,599.75 = 55,599.75/x
3. Step 3: Cross multiply
   40,959x = 55,599.75 × 55,599.75
4. Step 4: Simplify right side
   40,959x = 3,091,332,200.06
5. Step 5: Solve for x
   x = 3,091,332,200.06/40,959
6. Step 6: Final answer
   x = 75,473.82