Finding the Third Proportional to 1,582,716 and 3,221,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582,716 : 3,221,368 = 3,221,368 : x
2. Step 2: Convert to fraction form
   1,582,716/3,221,368 = 3,221,368/x
3. Step 3: Cross multiply
   1,582,716x = 3,221,368 × 3,221,368
4. Step 4: Simplify right side
   1,582,716x = 10,377,211,791,424
5. Step 5: Solve for x
   x = 10,377,211,791,424/1,582,716
6. Step 6: Final answer
   x = 6,556,584.88