Finding the Third Proportional to 120,291 and 169,500

Step by Step Solution

1. Step 1: Write the proportion equation
   120,291 : 169,500 = 169,500 : x
2. Step 2: Convert to fraction form
   120,291/169,500 = 169,500/x
3. Step 3: Cross multiply
   120,291x = 169,500 × 169,500
4. Step 4: Simplify right side
   120,291x = 28,730,250,000
5. Step 5: Solve for x
   x = 28,730,250,000/120,291
6. Step 6: Final answer
   x = 238,839.56