Finding the Third Proportional to 339,958 and 500,095.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,958 : 500,095.50 = 500,095.50 : x
2. Step 2: Convert to fraction form
   339,958/500,095.50 = 500,095.50/x
3. Step 3: Cross multiply
   339,958x = 500,095.50 × 500,095.50
4. Step 4: Simplify right side
   339,958x = 250,095,509,120.25
5. Step 5: Solve for x
   x = 250,095,509,120.25/339,958
6. Step 6: Final answer
   x = 735,665.90