Finding the Third Proportional to 4,428,766 and 7,231,716

Step by Step Solution

1. Step 1: Write the proportion equation
   4,428,766 : 7,231,716 = 7,231,716 : x
2. Step 2: Convert to fraction form
   4,428,766/7,231,716 = 7,231,716/x
3. Step 3: Cross multiply
   4,428,766x = 7,231,716 × 7,231,716
4. Step 4: Simplify right side
   4,428,766x = 52,297,716,304,656
5. Step 5: Solve for x
   x = 52,297,716,304,656/4,428,766
6. Step 6: Final answer
   x = 11,808,642.93