Finding the Third Proportional to 339,158 and 737,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,158 : 737,365.50 = 737,365.50 : x
2. Step 2: Convert to fraction form
   339,158/737,365.50 = 737,365.50/x
3. Step 3: Cross multiply
   339,158x = 737,365.50 × 737,365.50
4. Step 4: Simplify right side
   339,158x = 543,707,880,590.25
5. Step 5: Solve for x
   x = 543,707,880,590.25/339,158
6. Step 6: Final answer
   x = 1,603,110.88