Finding the Third Proportional to 2,540,288 and 5,429,936

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,288 : 5,429,936 = 5,429,936 : x
2. Step 2: Convert to fraction form
   2,540,288/5,429,936 = 5,429,936/x
3. Step 3: Cross multiply
   2,540,288x = 5,429,936 × 5,429,936
4. Step 4: Simplify right side
   2,540,288x = 29,484,204,964,096
5. Step 5: Solve for x
   x = 29,484,204,964,096/2,540,288
6. Step 6: Final answer
   x = 11,606,638.68