Finding the Third Proportional to 155,958.50 and 339,132

Step by Step Solution

1. Step 1: Write the proportion equation
   155,958.50 : 339,132 = 339,132 : x
2. Step 2: Convert to fraction form
   155,958.50/339,132 = 339,132/x
3. Step 3: Cross multiply
   155,958.50x = 339,132 × 339,132
4. Step 4: Simplify right side
   155,958.50x = 115,010,513,424
5. Step 5: Solve for x
   x = 115,010,513,424/155,958.50
6. Step 6: Final answer
   x = 737,443.06