Finding the Third Proportional to 1,582,716 and 3,221,367

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582,716 : 3,221,367 = 3,221,367 : x
2. Step 2: Convert to fraction form
   1,582,716/3,221,367 = 3,221,367/x
3. Step 3: Cross multiply
   1,582,716x = 3,221,367 × 3,221,367
4. Step 4: Simplify right side
   1,582,716x = 10,377,205,348,689
5. Step 5: Solve for x
   x = 10,377,205,348,689/1,582,716
6. Step 6: Final answer
   x = 6,556,580.81