Finding the Third Proportional to 339,968 and 500,054

Step by Step Solution

1. Step 1: Write the proportion equation
   339,968 : 500,054 = 500,054 : x
2. Step 2: Convert to fraction form
   339,968/500,054 = 500,054/x
3. Step 3: Cross multiply
   339,968x = 500,054 × 500,054
4. Step 4: Simplify right side
   339,968x = 250,054,002,916
5. Step 5: Solve for x
   x = 250,054,002,916/339,968
6. Step 6: Final answer
   x = 735,522.18