Finding the Third Proportional to 2,584,692 and 5,639,388

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584,692 : 5,639,388 = 5,639,388 : x
2. Step 2: Convert to fraction form
   2,584,692/5,639,388 = 5,639,388/x
3. Step 3: Cross multiply
   2,584,692x = 5,639,388 × 5,639,388
4. Step 4: Simplify right side
   2,584,692x = 31,802,697,014,544
5. Step 5: Solve for x
   x = 31,802,697,014,544/2,584,692
6. Step 6: Final answer
   x = 12,304,250.18