Finding the Third Proportional to 383,268 and 806,262

Step by Step Solution

1. Step 1: Write the proportion equation
   383,268 : 806,262 = 806,262 : x
2. Step 2: Convert to fraction form
   383,268/806,262 = 806,262/x
3. Step 3: Cross multiply
   383,268x = 806,262 × 806,262
4. Step 4: Simplify right side
   383,268x = 650,058,412,644
5. Step 5: Solve for x
   x = 650,058,412,644/383,268
6. Step 6: Final answer
   x = 1,696,093.63