Finding the Third Proportional to 150,080 and 317,584

Step by Step Solution

1. Step 1: Write the proportion equation
   150,080 : 317,584 = 317,584 : x
2. Step 2: Convert to fraction form
   150,080/317,584 = 317,584/x
3. Step 3: Cross multiply
   150,080x = 317,584 × 317,584
4. Step 4: Simplify right side
   150,080x = 100,859,597,056
5. Step 5: Solve for x
   x = 100,859,597,056/150,080
6. Step 6: Final answer
   x = 672,038.89