Finding the Third Proportional to 3,323,976 and 7,144,509

Step by Step Solution

1. Step 1: Write the proportion equation
   3,323,976 : 7,144,509 = 7,144,509 : x
2. Step 2: Convert to fraction form
   3,323,976/7,144,509 = 7,144,509/x
3. Step 3: Cross multiply
   3,323,976x = 7,144,509 × 7,144,509
4. Step 4: Simplify right side
   3,323,976x = 51,044,008,851,081
5. Step 5: Solve for x
   x = 51,044,008,851,081/3,323,976
6. Step 6: Final answer
   x = 15,356,310.89