Finding the Third Proportional to 239,629.50 and 512,922

Step by Step Solution

1. Step 1: Write the proportion equation
   239,629.50 : 512,922 = 512,922 : x
2. Step 2: Convert to fraction form
   239,629.50/512,922 = 512,922/x
3. Step 3: Cross multiply
   239,629.50x = 512,922 × 512,922
4. Step 4: Simplify right side
   239,629.50x = 263,088,978,084
5. Step 5: Solve for x
   x = 263,088,978,084/239,629.50
6. Step 6: Final answer
   x = 1,097,898.96