Finding the Third Proportional to 4,505,993 and 9,683,682

Step by Step Solution

1. Step 1: Write the proportion equation
   4,505,993 : 9,683,682 = 9,683,682 : x
2. Step 2: Convert to fraction form
   4,505,993/9,683,682 = 9,683,682/x
3. Step 3: Cross multiply
   4,505,993x = 9,683,682 × 9,683,682
4. Step 4: Simplify right side
   4,505,993x = 93,773,697,077,124
5. Step 5: Solve for x
   x = 93,773,697,077,124/4,505,993
6. Step 6: Final answer
   x = 20,810,883.88