Finding the Third Proportional to 339,516 and 746,826

Step by Step Solution

1. Step 1: Write the proportion equation
   339,516 : 746,826 = 746,826 : x
2. Step 2: Convert to fraction form
   339,516/746,826 = 746,826/x
3. Step 3: Cross multiply
   339,516x = 746,826 × 746,826
4. Step 4: Simplify right side
   339,516x = 557,749,074,276
5. Step 5: Solve for x
   x = 557,749,074,276/339,516
6. Step 6: Final answer
   x = 1,642,777.00