Finding the Third Proportional to 79,578 and 171,610

Step by Step Solution

1. Step 1: Write the proportion equation
   79,578 : 171,610 = 171,610 : x
2. Step 2: Convert to fraction form
   79,578/171,610 = 171,610/x
3. Step 3: Cross multiply
   79,578x = 171,610 × 171,610
4. Step 4: Simplify right side
   79,578x = 29,449,992,100
5. Step 5: Solve for x
   x = 29,449,992,100/79,578
6. Step 6: Final answer
   x = 370,077.06