Finding the Third Proportional to 4,428,761 and 7,231,706

Step by Step Solution

1. Step 1: Write the proportion equation
   4,428,761 : 7,231,706 = 7,231,706 : x
2. Step 2: Convert to fraction form
   4,428,761/7,231,706 = 7,231,706/x
3. Step 3: Cross multiply
   4,428,761x = 7,231,706 × 7,231,706
4. Step 4: Simplify right side
   4,428,761x = 52,297,571,670,436
5. Step 5: Solve for x
   x = 52,297,571,670,436/4,428,761
6. Step 6: Final answer
   x = 11,808,623.60