Finding the Third Proportional to 294,876 and 444,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   294,876 : 444,757.50 = 444,757.50 : x
2. Step 2: Convert to fraction form
   294,876/444,757.50 = 444,757.50/x
3. Step 3: Cross multiply
   294,876x = 444,757.50 × 444,757.50
4. Step 4: Simplify right side
   294,876x = 197,809,233,806.25
5. Step 5: Solve for x
   x = 197,809,233,806.25/294,876
6. Step 6: Final answer
   x = 670,821.75