Finding the Third Proportional to 111,290 and 241,042

Step by Step Solution

1. Step 1: Write the proportion equation
   111,290 : 241,042 = 241,042 : x
2. Step 2: Convert to fraction form
   111,290/241,042 = 241,042/x
3. Step 3: Cross multiply
   111,290x = 241,042 × 241,042
4. Step 4: Simplify right side
   111,290x = 58,101,245,764
5. Step 5: Solve for x
   x = 58,101,245,764/111,290
6. Step 6: Final answer
   x = 522,070.68