Finding the Third Proportional to 132,057 and 284,648

Step by Step Solution

1. Step 1: Write the proportion equation
   132,057 : 284,648 = 284,648 : x
2. Step 2: Convert to fraction form
   132,057/284,648 = 284,648/x
3. Step 3: Cross multiply
   132,057x = 284,648 × 284,648
4. Step 4: Simplify right side
   132,057x = 81,024,483,904
5. Step 5: Solve for x
   x = 81,024,483,904/132,057
6. Step 6: Final answer
   x = 613,556.90