Finding the Third Proportional to 224,856 and 490,320

Step by Step Solution

1. Step 1: Write the proportion equation
   224,856 : 490,320 = 490,320 : x
2. Step 2: Convert to fraction form
   224,856/490,320 = 490,320/x
3. Step 3: Cross multiply
   224,856x = 490,320 × 490,320
4. Step 4: Simplify right side
   224,856x = 240,413,702,400
5. Step 5: Solve for x
   x = 240,413,702,400/224,856
6. Step 6: Final answer
   x = 1,069,189.63