Finding the Third Proportional to 162,730 and 333,388

Step by Step Solution

1. Step 1: Write the proportion equation
   162,730 : 333,388 = 333,388 : x
2. Step 2: Convert to fraction form
   162,730/333,388 = 333,388/x
3. Step 3: Cross multiply
   162,730x = 333,388 × 333,388
4. Step 4: Simplify right side
   162,730x = 111,147,558,544
5. Step 5: Solve for x
   x = 111,147,558,544/162,730
6. Step 6: Final answer
   x = 683,018.24