Finding the Third Proportional to 79,664.50 and 173,378

Step by Step Solution

1. Step 1: Write the proportion equation
   79,664.50 : 173,378 = 173,378 : x
2. Step 2: Convert to fraction form
   79,664.50/173,378 = 173,378/x
3. Step 3: Cross multiply
   79,664.50x = 173,378 × 173,378
4. Step 4: Simplify right side
   79,664.50x = 30,059,930,884
5. Step 5: Solve for x
   x = 30,059,930,884/79,664.50
6. Step 6: Final answer
   x = 377,331.57