Finding the Third Proportional to 158,274 and 322,409.25

Step by Step Solution

1. Step 1: Write the proportion equation
   158,274 : 322,409.25 = 322,409.25 : x
2. Step 2: Convert to fraction form
   158,274/322,409.25 = 322,409.25/x
3. Step 3: Cross multiply
   158,274x = 322,409.25 × 322,409.25
4. Step 4: Simplify right side
   158,274x = 103,947,724,485.56
5. Step 5: Solve for x
   x = 103,947,724,485.56/158,274
6. Step 6: Final answer
   x = 656,758.06