Finding the Third Proportional to 3,754,660 and 5,380,422

Step by Step Solution

1. Step 1: Write the proportion equation
   3,754,660 : 5,380,422 = 5,380,422 : x
2. Step 2: Convert to fraction form
   3,754,660/5,380,422 = 5,380,422/x
3. Step 3: Cross multiply
   3,754,660x = 5,380,422 × 5,380,422
4. Step 4: Simplify right side
   3,754,660x = 28,948,940,898,084
5. Step 5: Solve for x
   x = 28,948,940,898,084/3,754,660
6. Step 6: Final answer
   x = 7,710,136.44