Finding the Third Proportional to 79,723 and 173,459

Step by Step Solution

1. Step 1: Write the proportion equation
   79,723 : 173,459 = 173,459 : x
2. Step 2: Convert to fraction form
   79,723/173,459 = 173,459/x
3. Step 3: Cross multiply
   79,723x = 173,459 × 173,459
4. Step 4: Simplify right side
   79,723x = 30,088,024,681
5. Step 5: Solve for x
   x = 30,088,024,681/79,723
6. Step 6: Final answer
   x = 377,407.08