Finding the Third Proportional to 50,878.50 and 106,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,878.50 : 106,399.50 = 106,399.50 : x
2. Step 2: Convert to fraction form
   50,878.50/106,399.50 = 106,399.50/x
3. Step 3: Cross multiply
   50,878.50x = 106,399.50 × 106,399.50
4. Step 4: Simplify right side
   50,878.50x = 11,320,853,600.25
5. Step 5: Solve for x
   x = 11,320,853,600.25/50,878.50
6. Step 6: Final answer
   x = 222,507.61