Finding the Third Proportional to 1,362,366 and 3,211,478

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362,366 : 3,211,478 = 3,211,478 : x
2. Step 2: Convert to fraction form
   1,362,366/3,211,478 = 3,211,478/x
3. Step 3: Cross multiply
   1,362,366x = 3,211,478 × 3,211,478
4. Step 4: Simplify right side
   1,362,366x = 10,313,590,944,484
5. Step 5: Solve for x
   x = 10,313,590,944,484/1,362,366
6. Step 6: Final answer
   x = 7,570,352.57