Finding the Third Proportional to 1,979,289 and 3,275,478

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979,289 : 3,275,478 = 3,275,478 : x
2. Step 2: Convert to fraction form
   1,979,289/3,275,478 = 3,275,478/x
3. Step 3: Cross multiply
   1,979,289x = 3,275,478 × 3,275,478
4. Step 4: Simplify right side
   1,979,289x = 10,728,756,128,484
5. Step 5: Solve for x
   x = 10,728,756,128,484/1,979,289
6. Step 6: Final answer
   x = 5,420,510.16