Finding the Third Proportional to 50,399.50 and 74,449.75

Step by Step Solution

1. Step 1: Write the proportion equation
   50,399.50 : 74,449.75 = 74,449.75 : x
2. Step 2: Convert to fraction form
   50,399.50/74,449.75 = 74,449.75/x
3. Step 3: Cross multiply
   50,399.50x = 74,449.75 × 74,449.75
4. Step 4: Simplify right side
   50,399.50x = 5,542,765,275.06
5. Step 5: Solve for x
   x = 5,542,765,275.06/50,399.50
6. Step 6: Final answer
   x = 109,976.59