Finding the Third Proportional to 150,271 and 317,308

Step by Step Solution

1. Step 1: Write the proportion equation
   150,271 : 317,308 = 317,308 : x
2. Step 2: Convert to fraction form
   150,271/317,308 = 317,308/x
3. Step 3: Cross multiply
   150,271x = 317,308 × 317,308
4. Step 4: Simplify right side
   150,271x = 100,684,366,864
5. Step 5: Solve for x
   x = 100,684,366,864/150,271
6. Step 6: Final answer
   x = 670,018.61