Finding the Third Proportional to 228,168 and 485,892

Step by Step Solution

1. Step 1: Write the proportion equation
   228,168 : 485,892 = 485,892 : x
2. Step 2: Convert to fraction form
   228,168/485,892 = 485,892/x
3. Step 3: Cross multiply
   228,168x = 485,892 × 485,892
4. Step 4: Simplify right side
   228,168x = 236,091,035,664
5. Step 5: Solve for x
   x = 236,091,035,664/228,168
6. Step 6: Final answer
   x = 1,034,724.57