Finding the Third Proportional to 2,564,678 and 5,573,836

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,678 : 5,573,836 = 5,573,836 : x
2. Step 2: Convert to fraction form
   2,564,678/5,573,836 = 5,573,836/x
3. Step 3: Cross multiply
   2,564,678x = 5,573,836 × 5,573,836
4. Step 4: Simplify right side
   2,564,678x = 31,067,647,754,896
5. Step 5: Solve for x
   x = 31,067,647,754,896/2,564,678
6. Step 6: Final answer
   x = 12,113,664.08