Finding the Third Proportional to 50,728.75 and 68,051.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,728.75 : 68,051.25 = 68,051.25 : x
2. Step 2: Convert to fraction form
   50,728.75/68,051.25 = 68,051.25/x
3. Step 3: Cross multiply
   50,728.75x = 68,051.25 × 68,051.25
4. Step 4: Simplify right side
   50,728.75x = 4,630,972,626.56
5. Step 5: Solve for x
   x = 4,630,972,626.56/50,728.75
6. Step 6: Final answer
   x = 91,288.92