Finding the Third Proportional to 403,826 and 849,492

Step by Step Solution

1. Step 1: Write the proportion equation
   403,826 : 849,492 = 849,492 : x
2. Step 2: Convert to fraction form
   403,826/849,492 = 849,492/x
3. Step 3: Cross multiply
   403,826x = 849,492 × 849,492
4. Step 4: Simplify right side
   403,826x = 721,636,658,064
5. Step 5: Solve for x
   x = 721,636,658,064/403,826
6. Step 6: Final answer
   x = 1,786,999.00