Finding the Third Proportional to 76,728 and 167,404

Step by Step Solution

1. Step 1: Write the proportion equation
   76,728 : 167,404 = 167,404 : x
2. Step 2: Convert to fraction form
   76,728/167,404 = 167,404/x
3. Step 3: Cross multiply
   76,728x = 167,404 × 167,404
4. Step 4: Simplify right side
   76,728x = 28,024,099,216
5. Step 5: Solve for x
   x = 28,024,099,216/76,728
6. Step 6: Final answer
   x = 365,239.54