Finding the Third Proportional to 304,819.50 and 663,945

Step by Step Solution

1. Step 1: Write the proportion equation
   304,819.50 : 663,945 = 663,945 : x
2. Step 2: Convert to fraction form
   304,819.50/663,945 = 663,945/x
3. Step 3: Cross multiply
   304,819.50x = 663,945 × 663,945
4. Step 4: Simplify right side
   304,819.50x = 440,822,963,025
5. Step 5: Solve for x
   x = 440,822,963,025/304,819.50
6. Step 6: Final answer
   x = 1,446,177.04