Finding the Third Proportional to 4,439,336 and 9,539,524

Step by Step Solution

1. Step 1: Write the proportion equation
   4,439,336 : 9,539,524 = 9,539,524 : x
2. Step 2: Convert to fraction form
   4,439,336/9,539,524 = 9,539,524/x
3. Step 3: Cross multiply
   4,439,336x = 9,539,524 × 9,539,524
4. Step 4: Simplify right side
   4,439,336x = 91,002,518,146,576
5. Step 5: Solve for x
   x = 91,002,518,146,576/4,439,336
6. Step 6: Final answer
   x = 20,499,128.28