Finding the Third Proportional to 339,894 and 746,892

Step by Step Solution

1. Step 1: Write the proportion equation
   339,894 : 746,892 = 746,892 : x
2. Step 2: Convert to fraction form
   339,894/746,892 = 746,892/x
3. Step 3: Cross multiply
   339,894x = 746,892 × 746,892
4. Step 4: Simplify right side
   339,894x = 557,847,659,664
5. Step 5: Solve for x
   x = 557,847,659,664/339,894
6. Step 6: Final answer
   x = 1,641,240.09