Finding the Third Proportional to 223,122 and 490,326

Step by Step Solution

1. Step 1: Write the proportion equation
   223,122 : 490,326 = 490,326 : x
2. Step 2: Convert to fraction form
   223,122/490,326 = 490,326/x
3. Step 3: Cross multiply
   223,122x = 490,326 × 490,326
4. Step 4: Simplify right side
   223,122x = 240,419,586,276
5. Step 5: Solve for x
   x = 240,419,586,276/223,122
6. Step 6: Final answer
   x = 1,077,525.24