Finding the Third Proportional to 228,886 and 497,178

Step by Step Solution

1. Step 1: Write the proportion equation
   228,886 : 497,178 = 497,178 : x
2. Step 2: Convert to fraction form
   228,886/497,178 = 497,178/x
3. Step 3: Cross multiply
   228,886x = 497,178 × 497,178
4. Step 4: Simplify right side
   228,886x = 247,185,963,684
5. Step 5: Solve for x
   x = 247,185,963,684/228,886
6. Step 6: Final answer
   x = 1,079,952.31