Finding the Third Proportional to 162,966 and 356,556

Step by Step Solution

1. Step 1: Write the proportion equation
   162,966 : 356,556 = 356,556 : x
2. Step 2: Convert to fraction form
   162,966/356,556 = 356,556/x
3. Step 3: Cross multiply
   162,966x = 356,556 × 356,556
4. Step 4: Simplify right side
   162,966x = 127,132,181,136
5. Step 5: Solve for x
   x = 127,132,181,136/162,966
6. Step 6: Final answer
   x = 780,114.75