Finding the Third Proportional to 50,787 and 111,420

Step by Step Solution

1. Step 1: Write the proportion equation
   50,787 : 111,420 = 111,420 : x
2. Step 2: Convert to fraction form
   50,787/111,420 = 111,420/x
3. Step 3: Cross multiply
   50,787x = 111,420 × 111,420
4. Step 4: Simplify right side
   50,787x = 12,414,416,400
5. Step 5: Solve for x
   x = 12,414,416,400/50,787
6. Step 6: Final answer
   x = 244,440.83