Finding the Third Proportional to 228,458 and 491,924

Step by Step Solution

1. Step 1: Write the proportion equation
   228,458 : 491,924 = 491,924 : x
2. Step 2: Convert to fraction form
   228,458/491,924 = 491,924/x
3. Step 3: Cross multiply
   228,458x = 491,924 × 491,924
4. Step 4: Simplify right side
   228,458x = 241,989,221,776
5. Step 5: Solve for x
   x = 241,989,221,776/228,458
6. Step 6: Final answer
   x = 1,059,228.49