Finding the Third Proportional to 1,582,711 and 3,221,355

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582,711 : 3,221,355 = 3,221,355 : x
2. Step 2: Convert to fraction form
   1,582,711/3,221,355 = 3,221,355/x
3. Step 3: Cross multiply
   1,582,711x = 3,221,355 × 3,221,355
4. Step 4: Simplify right side
   1,582,711x = 10,377,128,036,025
5. Step 5: Solve for x
   x = 10,377,128,036,025/1,582,711
6. Step 6: Final answer
   x = 6,556,552.67