Finding the Third Proportional to 150,776 and 317,048

Step by Step Solution

1. Step 1: Write the proportion equation
   150,776 : 317,048 = 317,048 : x
2. Step 2: Convert to fraction form
   150,776/317,048 = 317,048/x
3. Step 3: Cross multiply
   150,776x = 317,048 × 317,048
4. Step 4: Simplify right side
   150,776x = 100,519,434,304
5. Step 5: Solve for x
   x = 100,519,434,304/150,776
6. Step 6: Final answer
   x = 666,680.60