Finding the Third Proportional to 294,001.50 and 644,049

Step by Step Solution

1. Step 1: Write the proportion equation
   294,001.50 : 644,049 = 644,049 : x
2. Step 2: Convert to fraction form
   294,001.50/644,049 = 644,049/x
3. Step 3: Cross multiply
   294,001.50x = 644,049 × 644,049
4. Step 4: Simplify right side
   294,001.50x = 414,799,114,401
5. Step 5: Solve for x
   x = 414,799,114,401/294,001.50
6. Step 6: Final answer
   x = 1,410,874.14