Finding the Third Proportional to 213,276 and 466,728

Step by Step Solution

1. Step 1: Write the proportion equation
   213,276 : 466,728 = 466,728 : x
2. Step 2: Convert to fraction form
   213,276/466,728 = 466,728/x
3. Step 3: Cross multiply
   213,276x = 466,728 × 466,728
4. Step 4: Simplify right side
   213,276x = 217,835,025,984
5. Step 5: Solve for x
   x = 217,835,025,984/213,276
6. Step 6: Final answer
   x = 1,021,376.18