Finding the Third Proportional to 383,271 and 806,266.50

Step by Step Solution

1. Step 1: Write the proportion equation
   383,271 : 806,266.50 = 806,266.50 : x
2. Step 2: Convert to fraction form
   383,271/806,266.50 = 806,266.50/x
3. Step 3: Cross multiply
   383,271x = 806,266.50 × 806,266.50
4. Step 4: Simplify right side
   383,271x = 650,065,669,022.25
5. Step 5: Solve for x
   x = 650,065,669,022.25/383,271
6. Step 6: Final answer
   x = 1,696,099.28