Finding the Third Proportional to 158,225.25 and 322,326

Step by Step Solution

1. Step 1: Write the proportion equation
   158,225.25 : 322,326 = 322,326 : x
2. Step 2: Convert to fraction form
   158,225.25/322,326 = 322,326/x
3. Step 3: Cross multiply
   158,225.25x = 322,326 × 322,326
4. Step 4: Simplify right side
   158,225.25x = 103,894,050,276
5. Step 5: Solve for x
   x = 103,894,050,276/158,225.25
6. Step 6: Final answer
   x = 656,621.18