Finding the Third Proportional to 4,489,222 and 9,608,732

Step by Step Solution

1. Step 1: Write the proportion equation
   4,489,222 : 9,608,732 = 9,608,732 : x
2. Step 2: Convert to fraction form
   4,489,222/9,608,732 = 9,608,732/x
3. Step 3: Cross multiply
   4,489,222x = 9,608,732 × 9,608,732
4. Step 4: Simplify right side
   4,489,222x = 92,327,730,647,824
5. Step 5: Solve for x
   x = 92,327,730,647,824/4,489,222
6. Step 6: Final answer
   x = 20,566,532.61