Finding the Third Proportional to 79,078 and 173,708

Step by Step Solution

1. Step 1: Write the proportion equation
   79,078 : 173,708 = 173,708 : x
2. Step 2: Convert to fraction form
   79,078/173,708 = 173,708/x
3. Step 3: Cross multiply
   79,078x = 173,708 × 173,708
4. Step 4: Simplify right side
   79,078x = 30,174,469,264
5. Step 5: Solve for x
   x = 30,174,469,264/79,078
6. Step 6: Final answer
   x = 381,578.56