Finding the Third Proportional to 222,858 and 476,818

Step by Step Solution

1. Step 1: Write the proportion equation
   222,858 : 476,818 = 476,818 : x
2. Step 2: Convert to fraction form
   222,858/476,818 = 476,818/x
3. Step 3: Cross multiply
   222,858x = 476,818 × 476,818
4. Step 4: Simplify right side
   222,858x = 227,355,405,124
5. Step 5: Solve for x
   x = 227,355,405,124/222,858
6. Step 6: Final answer
   x = 1,020,180.59