Finding the Third Proportional to 403,826 and 849,508

Step by Step Solution

1. Step 1: Write the proportion equation
   403,826 : 849,508 = 849,508 : x
2. Step 2: Convert to fraction form
   403,826/849,508 = 849,508/x
3. Step 3: Cross multiply
   403,826x = 849,508 × 849,508
4. Step 4: Simplify right side
   403,826x = 721,663,842,064
5. Step 5: Solve for x
   x = 721,663,842,064/403,826
6. Step 6: Final answer
   x = 1,787,066.32