Finding the Third Proportional to 79,582.50 and 172,287

Step by Step Solution

1. Step 1: Write the proportion equation
   79,582.50 : 172,287 = 172,287 : x
2. Step 2: Convert to fraction form
   79,582.50/172,287 = 172,287/x
3. Step 3: Cross multiply
   79,582.50x = 172,287 × 172,287
4. Step 4: Simplify right side
   79,582.50x = 29,682,810,369
5. Step 5: Solve for x
   x = 29,682,810,369/79,582.50
6. Step 6: Final answer
   x = 372,981.63