Finding the Third Proportional to 1,569,394 and 2,221,306

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569,394 : 2,221,306 = 2,221,306 : x
2. Step 2: Convert to fraction form
   1,569,394/2,221,306 = 2,221,306/x
3. Step 3: Cross multiply
   1,569,394x = 2,221,306 × 2,221,306
4. Step 4: Simplify right side
   1,569,394x = 4,934,200,345,636
5. Step 5: Solve for x
   x = 4,934,200,345,636/1,569,394
6. Step 6: Final answer
   x = 3,144,016.32