Finding the Third Proportional to 228,386 and 491,692

Step by Step Solution

1. Step 1: Write the proportion equation
   228,386 : 491,692 = 491,692 : x
2. Step 2: Convert to fraction form
   228,386/491,692 = 491,692/x
3. Step 3: Cross multiply
   228,386x = 491,692 × 491,692
4. Step 4: Simplify right side
   228,386x = 241,761,022,864
5. Step 5: Solve for x
   x = 241,761,022,864/228,386
6. Step 6: Final answer
   x = 1,058,563.23