Finding the Third Proportional to 200,241 and 279,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,241 : 279,949.50 = 279,949.50 : x
2. Step 2: Convert to fraction form
   200,241/279,949.50 = 279,949.50/x
3. Step 3: Cross multiply
   200,241x = 279,949.50 × 279,949.50
4. Step 4: Simplify right side
   200,241x = 78,371,722,550.25
5. Step 5: Solve for x
   x = 78,371,722,550.25/200,241
6. Step 6: Final answer
   x = 391,386.99