Finding the Third Proportional to 162,783 and 333,483

Step by Step Solution

1. Step 1: Write the proportion equation
   162,783 : 333,483 = 333,483 : x
2. Step 2: Convert to fraction form
   162,783/333,483 = 333,483/x
3. Step 3: Cross multiply
   162,783x = 333,483 × 333,483
4. Step 4: Simplify right side
   162,783x = 111,210,911,289
5. Step 5: Solve for x
   x = 111,210,911,289/162,783
6. Step 6: Final answer
   x = 683,185.05