Finding the Third Proportional to 222,904 and 490,008

Step by Step Solution

1. Step 1: Write the proportion equation
   222,904 : 490,008 = 490,008 : x
2. Step 2: Convert to fraction form
   222,904/490,008 = 490,008/x
3. Step 3: Cross multiply
   222,904x = 490,008 × 490,008
4. Step 4: Simplify right side
   222,904x = 240,107,840,064
5. Step 5: Solve for x
   x = 240,107,840,064/222,904
6. Step 6: Final answer
   x = 1,077,180.49