Finding the Third Proportional to 229,572 and 486,504

Step by Step Solution

1. Step 1: Write the proportion equation
   229,572 : 486,504 = 486,504 : x
2. Step 2: Convert to fraction form
   229,572/486,504 = 486,504/x
3. Step 3: Cross multiply
   229,572x = 486,504 × 486,504
4. Step 4: Simplify right side
   229,572x = 236,686,142,016
5. Step 5: Solve for x
   x = 236,686,142,016/229,572
6. Step 6: Final answer
   x = 1,030,988.72