Finding the Third Proportional to 110,898 and 238,400

Step by Step Solution

1. Step 1: Write the proportion equation
   110,898 : 238,400 = 238,400 : x
2. Step 2: Convert to fraction form
   110,898/238,400 = 238,400/x
3. Step 3: Cross multiply
   110,898x = 238,400 × 238,400
4. Step 4: Simplify right side
   110,898x = 56,834,560,000
5. Step 5: Solve for x
   x = 56,834,560,000/110,898
6. Step 6: Final answer
   x = 512,494.00