Finding the Third Proportional to 108,610 and 168,170

Step by Step Solution

1. Step 1: Write the proportion equation
   108,610 : 168,170 = 168,170 : x
2. Step 2: Convert to fraction form
   108,610/168,170 = 168,170/x
3. Step 3: Cross multiply
   108,610x = 168,170 × 168,170
4. Step 4: Simplify right side
   108,610x = 28,281,148,900
5. Step 5: Solve for x
   x = 28,281,148,900/108,610
6. Step 6: Final answer
   x = 260,391.76