Finding the Third Proportional to 383,476 and 806,616

Step by Step Solution

1. Step 1: Write the proportion equation
   383,476 : 806,616 = 806,616 : x
2. Step 2: Convert to fraction form
   383,476/806,616 = 806,616/x
3. Step 3: Cross multiply
   383,476x = 806,616 × 806,616
4. Step 4: Simplify right side
   383,476x = 650,629,371,456
5. Step 5: Solve for x
   x = 650,629,371,456/383,476
6. Step 6: Final answer
   x = 1,696,662.56