Finding the Third Proportional to 1,569,384 and 2,221,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569,384 : 2,221,288 = 2,221,288 : x
2. Step 2: Convert to fraction form
   1,569,384/2,221,288 = 2,221,288/x
3. Step 3: Cross multiply
   1,569,384x = 2,221,288 × 2,221,288
4. Step 4: Simplify right side
   1,569,384x = 4,934,120,378,944
5. Step 5: Solve for x
   x = 4,934,120,378,944/1,569,384
6. Step 6: Final answer
   x = 3,143,985.40