Finding the Third Proportional to 50,873.75 and 109,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,873.75 : 109,128.50 = 109,128.50 : x
2. Step 2: Convert to fraction form
   50,873.75/109,128.50 = 109,128.50/x
3. Step 3: Cross multiply
   50,873.75x = 109,128.50 × 109,128.50
4. Step 4: Simplify right side
   50,873.75x = 11,909,029,512.25
5. Step 5: Solve for x
   x = 11,909,029,512.25/50,873.75
6. Step 6: Final answer
   x = 234,089.87