Finding the Third Proportional to 4,516,790 and 6,438,474

Step by Step Solution

1. Step 1: Write the proportion equation
   4,516,790 : 6,438,474 = 6,438,474 : x
2. Step 2: Convert to fraction form
   4,516,790/6,438,474 = 6,438,474/x
3. Step 3: Cross multiply
   4,516,790x = 6,438,474 × 6,438,474
4. Step 4: Simplify right side
   4,516,790x = 41,453,947,448,676
5. Step 5: Solve for x
   x = 41,453,947,448,676/4,516,790
6. Step 6: Final answer
   x = 9,177,745.14