Finding the Third Proportional to 1,569,386 and 2,221,291

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569,386 : 2,221,291 = 2,221,291 : x
2. Step 2: Convert to fraction form
   1,569,386/2,221,291 = 2,221,291/x
3. Step 3: Cross multiply
   1,569,386x = 2,221,291 × 2,221,291
4. Step 4: Simplify right side
   1,569,386x = 4,934,133,706,681
5. Step 5: Solve for x
   x = 4,934,133,706,681/1,569,386
6. Step 6: Final answer
   x = 3,143,989.88