Finding the Third Proportional to 162,270 and 356,508

Step by Step Solution

1. Step 1: Write the proportion equation
   162,270 : 356,508 = 356,508 : x
2. Step 2: Convert to fraction form
   162,270/356,508 = 356,508/x
3. Step 3: Cross multiply
   162,270x = 356,508 × 356,508
4. Step 4: Simplify right side
   162,270x = 127,097,954,064
5. Step 5: Solve for x
   x = 127,097,954,064/162,270
6. Step 6: Final answer
   x = 783,249.86