Finding the Third Proportional to 79,831.50 and 175,215

Step by Step Solution

1. Step 1: Write the proportion equation
   79,831.50 : 175,215 = 175,215 : x
2. Step 2: Convert to fraction form
   79,831.50/175,215 = 175,215/x
3. Step 3: Cross multiply
   79,831.50x = 175,215 × 175,215
4. Step 4: Simplify right side
   79,831.50x = 30,700,296,225
5. Step 5: Solve for x
   x = 30,700,296,225/79,831.50
6. Step 6: Final answer
   x = 384,563.69