Finding the Third Proportional to 4,543,922 and 9,726,268

Step by Step Solution

1. Step 1: Write the proportion equation
   4,543,922 : 9,726,268 = 9,726,268 : x
2. Step 2: Convert to fraction form
   4,543,922/9,726,268 = 9,726,268/x
3. Step 3: Cross multiply
   4,543,922x = 9,726,268 × 9,726,268
4. Step 4: Simplify right side
   4,543,922x = 94,600,289,207,824
5. Step 5: Solve for x
   x = 94,600,289,207,824/4,543,922
6. Step 6: Final answer
   x = 20,819,082.99