Finding the Third Proportional to 2,584,694 and 5,639,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584,694 : 5,639,392 = 5,639,392 : x
2. Step 2: Convert to fraction form
   2,584,694/5,639,392 = 5,639,392/x
3. Step 3: Cross multiply
   2,584,694x = 5,639,392 × 5,639,392
4. Step 4: Simplify right side
   2,584,694x = 31,802,742,129,664
5. Step 5: Solve for x
   x = 31,802,742,129,664/2,584,694
6. Step 6: Final answer
   x = 12,304,258.12