Finding the Third Proportional to 158,766 and 339,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,766 : 339,367.50 = 339,367.50 : x
2. Step 2: Convert to fraction form
   158,766/339,367.50 = 339,367.50/x
3. Step 3: Cross multiply
   158,766x = 339,367.50 × 339,367.50
4. Step 4: Simplify right side
   158,766x = 115,170,300,056.25
5. Step 5: Solve for x
   x = 115,170,300,056.25/158,766
6. Step 6: Final answer
   x = 725,409.09