Finding the Third Proportional to 229,208 and 492,272

Step by Step Solution

1. Step 1: Write the proportion equation
   229,208 : 492,272 = 492,272 : x
2. Step 2: Convert to fraction form
   229,208/492,272 = 492,272/x
3. Step 3: Cross multiply
   229,208x = 492,272 × 492,272
4. Step 4: Simplify right side
   229,208x = 242,331,721,984
5. Step 5: Solve for x
   x = 242,331,721,984/229,208
6. Step 6: Final answer
   x = 1,057,256.82