Finding the Third Proportional to 1,569,378 and 2,221,282

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569,378 : 2,221,282 = 2,221,282 : x
2. Step 2: Convert to fraction form
   1,569,378/2,221,282 = 2,221,282/x
3. Step 3: Cross multiply
   1,569,378x = 2,221,282 × 2,221,282
4. Step 4: Simplify right side
   1,569,378x = 4,934,093,723,524
5. Step 5: Solve for x
   x = 4,934,093,723,524/1,569,378
6. Step 6: Final answer
   x = 3,143,980.43