Finding the Third Proportional to 52,488 and 113,400

Step by Step Solution

1. Step 1: Write the proportion equation
   52,488 : 113,400 = 113,400 : x
2. Step 2: Convert to fraction form
   52,488/113,400 = 113,400/x
3. Step 3: Cross multiply
   52,488x = 113,400 × 113,400
4. Step 4: Simplify right side
   52,488x = 12,859,560,000
5. Step 5: Solve for x
   x = 12,859,560,000/52,488
6. Step 6: Final answer
   x = 245,000