Finding the Third Proportional to 152,723 and 315,922

Step by Step Solution

1. Step 1: Write the proportion equation
   152,723 : 315,922 = 315,922 : x
2. Step 2: Convert to fraction form
   152,723/315,922 = 315,922/x
3. Step 3: Cross multiply
   152,723x = 315,922 × 315,922
4. Step 4: Simplify right side
   152,723x = 99,806,710,084
5. Step 5: Solve for x
   x = 99,806,710,084/152,723
6. Step 6: Final answer
   x = 653,514.60