Finding the Third Proportional to 79,123 and 173,254

Step by Step Solution

1. Step 1: Write the proportion equation
   79,123 : 173,254 = 173,254 : x
2. Step 2: Convert to fraction form
   79,123/173,254 = 173,254/x
3. Step 3: Cross multiply
   79,123x = 173,254 × 173,254
4. Step 4: Simplify right side
   79,123x = 30,016,948,516
5. Step 5: Solve for x
   x = 30,016,948,516/79,123
6. Step 6: Final answer
   x = 379,370.71