Finding the Third Proportional to 79,669 and 173,386

Step by Step Solution

1. Step 1: Write the proportion equation
   79,669 : 173,386 = 173,386 : x
2. Step 2: Convert to fraction form
   79,669/173,386 = 173,386/x
3. Step 3: Cross multiply
   79,669x = 173,386 × 173,386
4. Step 4: Simplify right side
   79,669x = 30,062,704,996
5. Step 5: Solve for x
   x = 30,062,704,996/79,669
6. Step 6: Final answer
   x = 377,345.08