Finding the Third Proportional to 1,582,713 and 3,221,359

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582,713 : 3,221,359 = 3,221,359 : x
2. Step 2: Convert to fraction form
   1,582,713/3,221,359 = 3,221,359/x
3. Step 3: Cross multiply
   1,582,713x = 3,221,359 × 3,221,359
4. Step 4: Simplify right side
   1,582,713x = 10,377,153,806,881
5. Step 5: Solve for x
   x = 10,377,153,806,881/1,582,713
6. Step 6: Final answer
   x = 6,556,560.67