Finding the Third Proportional to 386,248.50 and 799,227

Step by Step Solution

1. Step 1: Write the proportion equation
   386,248.50 : 799,227 = 799,227 : x
2. Step 2: Convert to fraction form
   386,248.50/799,227 = 799,227/x
3. Step 3: Cross multiply
   386,248.50x = 799,227 × 799,227
4. Step 4: Simplify right side
   386,248.50x = 638,763,797,529
5. Step 5: Solve for x
   x = 638,763,797,529/386,248.50
6. Step 6: Final answer
   x = 1,653,763.83