Finding the Third Proportional to 229,128 and 497,460

Step by Step Solution

1. Step 1: Write the proportion equation
   229,128 : 497,460 = 497,460 : x
2. Step 2: Convert to fraction form
   229,128/497,460 = 497,460/x
3. Step 3: Cross multiply
   229,128x = 497,460 × 497,460
4. Step 4: Simplify right side
   229,128x = 247,466,451,600
5. Step 5: Solve for x
   x = 247,466,451,600/229,128
6. Step 6: Final answer
   x = 1,080,035.84