Finding the Third Proportional to 4,514,854 and 9,642,012

Step by Step Solution

1. Step 1: Write the proportion equation
   4,514,854 : 9,642,012 = 9,642,012 : x
2. Step 2: Convert to fraction form
   4,514,854/9,642,012 = 9,642,012/x
3. Step 3: Cross multiply
   4,514,854x = 9,642,012 × 9,642,012
4. Step 4: Simplify right side
   4,514,854x = 92,968,395,408,144
5. Step 5: Solve for x
   x = 92,968,395,408,144/4,514,854
6. Step 6: Final answer
   x = 20,591,672.60