Finding the Third Proportional to 2,584,686 and 5,639,376

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584,686 : 5,639,376 = 5,639,376 : x
2. Step 2: Convert to fraction form
   2,584,686/5,639,376 = 5,639,376/x
3. Step 3: Cross multiply
   2,584,686x = 5,639,376 × 5,639,376
4. Step 4: Simplify right side
   2,584,686x = 31,802,561,669,376
5. Step 5: Solve for x
   x = 31,802,561,669,376/2,584,686
6. Step 6: Final answer
   x = 12,304,226.38