Finding the Third Proportional to 72,705 and 154,198

Step by Step Solution

1. Step 1: Write the proportion equation
   72,705 : 154,198 = 154,198 : x
2. Step 2: Convert to fraction form
   72,705/154,198 = 154,198/x
3. Step 3: Cross multiply
   72,705x = 154,198 × 154,198
4. Step 4: Simplify right side
   72,705x = 23,777,023,204
5. Step 5: Solve for x
   x = 23,777,023,204/72,705
6. Step 6: Final answer
   x = 327,034.22