Finding the Third Proportional to 3,339,540 and 7,151,308

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339,540 : 7,151,308 = 7,151,308 : x
2. Step 2: Convert to fraction form
   3,339,540/7,151,308 = 7,151,308/x
3. Step 3: Cross multiply
   3,339,540x = 7,151,308 × 7,151,308
4. Step 4: Simplify right side
   3,339,540x = 51,141,206,110,864
5. Step 5: Solve for x
   x = 51,141,206,110,864/3,339,540
6. Step 6: Final answer
   x = 15,313,847.45