Finding the Third Proportional to 4,262,508 and 9,131,496

Step by Step Solution

1. Step 1: Write the proportion equation
   4,262,508 : 9,131,496 = 9,131,496 : x
2. Step 2: Convert to fraction form
   4,262,508/9,131,496 = 9,131,496/x
3. Step 3: Cross multiply
   4,262,508x = 9,131,496 × 9,131,496
4. Step 4: Simplify right side
   4,262,508x = 83,384,219,198,016
5. Step 5: Solve for x
   x = 83,384,219,198,016/4,262,508
6. Step 6: Final answer
   x = 19,562,243.45