Finding the Third Proportional to 5,636,414 and 12,563,728

Step by Step Solution

1. Step 1: Write the proportion equation
   5,636,414 : 12,563,728 = 12,563,728 : x
2. Step 2: Convert to fraction form
   5,636,414/12,563,728 = 12,563,728/x
3. Step 3: Cross multiply
   5,636,414x = 12,563,728 × 12,563,728
4. Step 4: Simplify right side
   5,636,414x = 157,847,261,257,984
5. Step 5: Solve for x
   x = 157,847,261,257,984/5,636,414
6. Step 6: Final answer
   x = 28,004,909.02