Finding the Third Proportional to 4,315,644 and 9,444,042

Step by Step Solution

1. Step 1: Write the proportion equation
   4,315,644 : 9,444,042 = 9,444,042 : x
2. Step 2: Convert to fraction form
   4,315,644/9,444,042 = 9,444,042/x
3. Step 3: Cross multiply
   4,315,644x = 9,444,042 × 9,444,042
4. Step 4: Simplify right side
   4,315,644x = 89,189,929,297,764
5. Step 5: Solve for x
   x = 89,189,929,297,764/4,315,644
6. Step 6: Final answer
   x = 20,666,655.85