Finding the Third Proportional to 82,360 and 168,610

Step by Step Solution

1. Step 1: Write the proportion equation
   82,360 : 168,610 = 168,610 : x
2. Step 2: Convert to fraction form
   82,360/168,610 = 168,610/x
3. Step 3: Cross multiply
   82,360x = 168,610 × 168,610
4. Step 4: Simplify right side
   82,360x = 28,429,332,100
5. Step 5: Solve for x
   x = 28,429,332,100/82,360
6. Step 6: Final answer
   x = 345,183.73