Finding the Third Proportional to 79,150 and 168,680

Step by Step Solution

1. Step 1: Write the proportion equation
   79,150 : 168,680 = 168,680 : x
2. Step 2: Convert to fraction form
   79,150/168,680 = 168,680/x
3. Step 3: Cross multiply
   79,150x = 168,680 × 168,680
4. Step 4: Simplify right side
   79,150x = 28,452,942,400
5. Step 5: Solve for x
   x = 28,452,942,400/79,150
6. Step 6: Final answer
   x = 359,481.27