Finding the Third Proportional to 228,388 and 491,696

Step by Step Solution

1. Step 1: Write the proportion equation
   228,388 : 491,696 = 491,696 : x
2. Step 2: Convert to fraction form
   228,388/491,696 = 491,696/x
3. Step 3: Cross multiply
   228,388x = 491,696 × 491,696
4. Step 4: Simplify right side
   228,388x = 241,764,956,416
5. Step 5: Solve for x
   x = 241,764,956,416/228,388
6. Step 6: Final answer
   x = 1,058,571.19