Finding the Third Proportional to 229,156 and 492,172

Step by Step Solution

1. Step 1: Write the proportion equation
   229,156 : 492,172 = 492,172 : x
2. Step 2: Convert to fraction form
   229,156/492,172 = 492,172/x
3. Step 3: Cross multiply
   229,156x = 492,172 × 492,172
4. Step 4: Simplify right side
   229,156x = 242,233,277,584
5. Step 5: Solve for x
   x = 242,233,277,584/229,156
6. Step 6: Final answer
   x = 1,057,067.14