Finding the Third Proportional to 229,128 and 503,082

Step by Step Solution

1. Step 1: Write the proportion equation
   229,128 : 503,082 = 503,082 : x
2. Step 2: Convert to fraction form
   229,128/503,082 = 503,082/x
3. Step 3: Cross multiply
   229,128x = 503,082 × 503,082
4. Step 4: Simplify right side
   229,128x = 253,091,498,724
5. Step 5: Solve for x
   x = 253,091,498,724/229,128
6. Step 6: Final answer
   x = 1,104,585.64