Finding the Third Proportional to 4,339,623 and 9,450,730

Step by Step Solution

1. Step 1: Write the proportion equation
   4,339,623 : 9,450,730 = 9,450,730 : x
2. Step 2: Convert to fraction form
   4,339,623/9,450,730 = 9,450,730/x
3. Step 3: Cross multiply
   4,339,623x = 9,450,730 × 9,450,730
4. Step 4: Simplify right side
   4,339,623x = 89,316,297,532,900
5. Step 5: Solve for x
   x = 89,316,297,532,900/4,339,623
6. Step 6: Final answer
   x = 20,581,579.91