Finding the Third Proportional to 4,496,991 and 9,782,839

Step by Step Solution

1. Step 1: Write the proportion equation
   4,496,991 : 9,782,839 = 9,782,839 : x
2. Step 2: Convert to fraction form
   4,496,991/9,782,839 = 9,782,839/x
3. Step 3: Cross multiply
   4,496,991x = 9,782,839 × 9,782,839
4. Step 4: Simplify right side
   4,496,991x = 95,703,938,899,921
5. Step 5: Solve for x
   x = 95,703,938,899,921/4,496,991
6. Step 6: Final answer
   x = 21,281,772.39