Finding the Third Proportional to 162,832 and 355,040

Step by Step Solution

1. Step 1: Write the proportion equation
   162,832 : 355,040 = 355,040 : x
2. Step 2: Convert to fraction form
   162,832/355,040 = 355,040/x
3. Step 3: Cross multiply
   162,832x = 355,040 × 355,040
4. Step 4: Simplify right side
   162,832x = 126,053,401,600
5. Step 5: Solve for x
   x = 126,053,401,600/162,832
6. Step 6: Final answer
   x = 774,131.63