Finding the Third Proportional to 4,339,666 and 9,450,818

Step by Step Solution

1. Step 1: Write the proportion equation
   4,339,666 : 9,450,818 = 9,450,818 : x
2. Step 2: Convert to fraction form
   4,339,666/9,450,818 = 9,450,818/x
3. Step 3: Cross multiply
   4,339,666x = 9,450,818 × 9,450,818
4. Step 4: Simplify right side
   4,339,666x = 89,317,960,869,124
5. Step 5: Solve for x
   x = 89,317,960,869,124/4,339,666
6. Step 6: Final answer
   x = 20,581,759.26