Finding the Third Proportional to 111,204 and 238,500

Step by Step Solution

1. Step 1: Write the proportion equation
   111,204 : 238,500 = 238,500 : x
2. Step 2: Convert to fraction form
   111,204/238,500 = 238,500/x
3. Step 3: Cross multiply
   111,204x = 238,500 × 238,500
4. Step 4: Simplify right side
   111,204x = 56,882,250,000
5. Step 5: Solve for x
   x = 56,882,250,000/111,204
6. Step 6: Final answer
   x = 511,512.63