Finding the Third Proportional to 1,582,707 and 3,221,348

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582,707 : 3,221,348 = 3,221,348 : x
2. Step 2: Convert to fraction form
   1,582,707/3,221,348 = 3,221,348/x
3. Step 3: Cross multiply
   1,582,707x = 3,221,348 × 3,221,348
4. Step 4: Simplify right side
   1,582,707x = 10,377,082,937,104
5. Step 5: Solve for x
   x = 10,377,082,937,104/1,582,707
6. Step 6: Final answer
   x = 6,556,540.75