Finding the Third Proportional to 4,439,330 and 9,552,420

Step by Step Solution

1. Step 1: Write the proportion equation
   4,439,330 : 9,552,420 = 9,552,420 : x
2. Step 2: Convert to fraction form
   4,439,330/9,552,420 = 9,552,420/x
3. Step 3: Cross multiply
   4,439,330x = 9,552,420 × 9,552,420
4. Step 4: Simplify right side
   4,439,330x = 91,248,727,856,400
5. Step 5: Solve for x
   x = 91,248,727,856,400/4,439,330
6. Step 6: Final answer
   x = 20,554,616.99