Finding the Third Proportional to 158,805.56 and 339,141.94

Step by Step Solution

1. Step 1: Write the proportion equation
   158,805.56 : 339,141.94 = 339,141.94 : x
2. Step 2: Convert to fraction form
   158,805.56/339,141.94 = 339,141.94/x
3. Step 3: Cross multiply
   158,805.56x = 339,141.94 × 339,141.94
4. Step 4: Simplify right side
   158,805.56x = 115,017,253,771.25
5. Step 5: Solve for x
   x = 115,017,253,771.25/158,805.56
6. Step 6: Final answer
   x = 724,264.64