Finding the Third Proportional to 4,754,660 and 7,222,912

Step by Step Solution

1. Step 1: Write the proportion equation
   4,754,660 : 7,222,912 = 7,222,912 : x
2. Step 2: Convert to fraction form
   4,754,660/7,222,912 = 7,222,912/x
3. Step 3: Cross multiply
   4,754,660x = 7,222,912 × 7,222,912
4. Step 4: Simplify right side
   4,754,660x = 52,170,457,759,744
5. Step 5: Solve for x
   x = 52,170,457,759,744/4,754,660
6. Step 6: Final answer
   x = 10,972,489.68