Finding the Third Proportional to 158,223.75 and 322,323

Step by Step Solution

1. Step 1: Write the proportion equation
   158,223.75 : 322,323 = 322,323 : x
2. Step 2: Convert to fraction form
   158,223.75/322,323 = 322,323/x
3. Step 3: Cross multiply
   158,223.75x = 322,323 × 322,323
4. Step 4: Simplify right side
   158,223.75x = 103,892,116,329
5. Step 5: Solve for x
   x = 103,892,116,329/158,223.75
6. Step 6: Final answer
   x = 656,615.18