Finding the Third Proportional to 2,184,489 and 4,644,540

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184,489 : 4,644,540 = 4,644,540 : x
2. Step 2: Convert to fraction form
   2,184,489/4,644,540 = 4,644,540/x
3. Step 3: Cross multiply
   2,184,489x = 4,644,540 × 4,644,540
4. Step 4: Simplify right side
   2,184,489x = 21,571,751,811,600
5. Step 5: Solve for x
   x = 21,571,751,811,600/2,184,489
6. Step 6: Final answer
   x = 9,874,964.72