Finding the Third Proportional to 383,278.50 and 806,277

Step by Step Solution

1. Step 1: Write the proportion equation
   383,278.50 : 806,277 = 806,277 : x
2. Step 2: Convert to fraction form
   383,278.50/806,277 = 806,277/x
3. Step 3: Cross multiply
   383,278.50x = 806,277 × 806,277
4. Step 4: Simplify right side
   383,278.50x = 650,082,600,729
5. Step 5: Solve for x
   x = 650,082,600,729/383,278.50
6. Step 6: Final answer
   x = 1,696,110.27