Finding the Third Proportional to 383,314.78 and 806,329.69

Step by Step Solution

1. Step 1: Write the proportion equation
   383,314.78 : 806,329.69 = 806,329.69 : x
2. Step 2: Convert to fraction form
   383,314.78/806,329.69 = 806,329.69/x
3. Step 3: Cross multiply
   383,314.78x = 806,329.69 × 806,329.69
4. Step 4: Simplify right side
   383,314.78x = 650,167,564,943.85
5. Step 5: Solve for x
   x = 650,167,564,943.85/383,314.78
6. Step 6: Final answer
   x = 1,696,171.39