Finding the Third Proportional to 150,298 and 317,362

Step by Step Solution

1. Step 1: Write the proportion equation
   150,298 : 317,362 = 317,362 : x
2. Step 2: Convert to fraction form
   150,298/317,362 = 317,362/x
3. Step 3: Cross multiply
   150,298x = 317,362 × 317,362
4. Step 4: Simplify right side
   150,298x = 100,718,639,044
5. Step 5: Solve for x
   x = 100,718,639,044/150,298
6. Step 6: Final answer
   x = 670,126.28