Finding the Third Proportional to 2,540,227 and 5,479,297

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,227 : 5,479,297 = 5,479,297 : x
2. Step 2: Convert to fraction form
   2,540,227/5,479,297 = 5,479,297/x
3. Step 3: Cross multiply
   2,540,227x = 5,479,297 × 5,479,297
4. Step 4: Simplify right side
   2,540,227x = 30,022,695,614,209
5. Step 5: Solve for x
   x = 30,022,695,614,209/2,540,227
6. Step 6: Final answer
   x = 11,818,902.65