Finding the Third Proportional to 158,222.25 and 322,320

Step by Step Solution

1. Step 1: Write the proportion equation
   158,222.25 : 322,320 = 322,320 : x
2. Step 2: Convert to fraction form
   158,222.25/322,320 = 322,320/x
3. Step 3: Cross multiply
   158,222.25x = 322,320 × 322,320
4. Step 4: Simplify right side
   158,222.25x = 103,890,182,400
5. Step 5: Solve for x
   x = 103,890,182,400/158,222.25
6. Step 6: Final answer
   x = 656,609.18