Finding the Third Proportional to 222,238 and 353,042

Step by Step Solution

1. Step 1: Write the proportion equation
   222,238 : 353,042 = 353,042 : x
2. Step 2: Convert to fraction form
   222,238/353,042 = 353,042/x
3. Step 3: Cross multiply
   222,238x = 353,042 × 353,042
4. Step 4: Simplify right side
   222,238x = 124,638,653,764
5. Step 5: Solve for x
   x = 124,638,653,764/222,238
6. Step 6: Final answer
   x = 560,834.12