Finding the Third Proportional to 383,257.50 and 806,241

Step by Step Solution

1. Step 1: Write the proportion equation
   383,257.50 : 806,241 = 806,241 : x
2. Step 2: Convert to fraction form
   383,257.50/806,241 = 806,241/x
3. Step 3: Cross multiply
   383,257.50x = 806,241 × 806,241
4. Step 4: Simplify right side
   383,257.50x = 650,024,550,081
5. Step 5: Solve for x
   x = 650,024,550,081/383,257.50
6. Step 6: Final answer
   x = 1,696,051.74