Finding the Third Proportional to 162,018 and 355,900

Step by Step Solution

1. Step 1: Write the proportion equation
   162,018 : 355,900 = 355,900 : x
2. Step 2: Convert to fraction form
   162,018/355,900 = 355,900/x
3. Step 3: Cross multiply
   162,018x = 355,900 × 355,900
4. Step 4: Simplify right side
   162,018x = 126,664,810,000
5. Step 5: Solve for x
   x = 126,664,810,000/162,018
6. Step 6: Final answer
   x = 781,794.68