Finding the Third Proportional to 50,046.50 and 77,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,046.50 : 77,939.50 = 77,939.50 : x
2. Step 2: Convert to fraction form
   50,046.50/77,939.50 = 77,939.50/x
3. Step 3: Cross multiply
   50,046.50x = 77,939.50 × 77,939.50
4. Step 4: Simplify right side
   50,046.50x = 6,074,565,660.25
5. Step 5: Solve for x
   x = 6,074,565,660.25/50,046.50
6. Step 6: Final answer
   x = 121,378.43