Finding the Third Proportional to 41,278.50 and 55,739.25

Step by Step Solution

1. Step 1: Write the proportion equation
   41,278.50 : 55,739.25 = 55,739.25 : x
2. Step 2: Convert to fraction form
   41,278.50/55,739.25 = 55,739.25/x
3. Step 3: Cross multiply
   41,278.50x = 55,739.25 × 55,739.25
4. Step 4: Simplify right side
   41,278.50x = 3,106,863,990.56
5. Step 5: Solve for x
   x = 3,106,863,990.56/41,278.50
6. Step 6: Final answer
   x = 75,265.91