Finding the Third Proportional to 229,415 and 492,055

Step by Step Solution

1. Step 1: Write the proportion equation
   229,415 : 492,055 = 492,055 : x
2. Step 2: Convert to fraction form
   229,415/492,055 = 492,055/x
3. Step 3: Cross multiply
   229,415x = 492,055 × 492,055
4. Step 4: Simplify right side
   229,415x = 242,118,123,025
5. Step 5: Solve for x
   x = 242,118,123,025/229,415
6. Step 6: Final answer
   x = 1,055,371.81