Finding the Third Proportional to 229,722 and 486,720

Step by Step Solution

1. Step 1: Write the proportion equation
   229,722 : 486,720 = 486,720 : x
2. Step 2: Convert to fraction form
   229,722/486,720 = 486,720/x
3. Step 3: Cross multiply
   229,722x = 486,720 × 486,720
4. Step 4: Simplify right side
   229,722x = 236,896,358,400
5. Step 5: Solve for x
   x = 236,896,358,400/229,722
6. Step 6: Final answer
   x = 1,031,230.61