Finding the Third Proportional to 2,680,380 and 5,734,728

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680,380 : 5,734,728 = 5,734,728 : x
2. Step 2: Convert to fraction form
   2,680,380/5,734,728 = 5,734,728/x
3. Step 3: Cross multiply
   2,680,380x = 5,734,728 × 5,734,728
4. Step 4: Simplify right side
   2,680,380x = 32,887,105,233,984
5. Step 5: Solve for x
   x = 32,887,105,233,984/2,680,380
6. Step 6: Final answer
   x = 12,269,568.21