Finding the Third Proportional to 229,512 and 492,228

Step by Step Solution

1. Step 1: Write the proportion equation
   229,512 : 492,228 = 492,228 : x
2. Step 2: Convert to fraction form
   229,512/492,228 = 492,228/x
3. Step 3: Cross multiply
   229,512x = 492,228 × 492,228
4. Step 4: Simplify right side
   229,512x = 242,288,403,984
5. Step 5: Solve for x
   x = 242,288,403,984/229,512
6. Step 6: Final answer
   x = 1,055,667.69