Finding the Third Proportional to 108,500 and 162,170

Step by Step Solution

1. Step 1: Write the proportion equation
   108,500 : 162,170 = 162,170 : x
2. Step 2: Convert to fraction form
   108,500/162,170 = 162,170/x
3. Step 3: Cross multiply
   108,500x = 162,170 × 162,170
4. Step 4: Simplify right side
   108,500x = 26,299,108,900
5. Step 5: Solve for x
   x = 26,299,108,900/108,500
6. Step 6: Final answer
   x = 242,388.10