Finding the Third Proportional to 79,474 and 172,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,474 : 172,616.50 = 172,616.50 : x
2. Step 2: Convert to fraction form
   79,474/172,616.50 = 172,616.50/x
3. Step 3: Cross multiply
   79,474x = 172,616.50 × 172,616.50
4. Step 4: Simplify right side
   79,474x = 29,796,456,072.25
5. Step 5: Solve for x
   x = 29,796,456,072.25/79,474
6. Step 6: Final answer
   x = 374,920.81