Finding the Third Proportional to 2,540,227.50 and 5,479,299

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,227.50 : 5,479,299 = 5,479,299 : x
2. Step 2: Convert to fraction form
   2,540,227.50/5,479,299 = 5,479,299/x
3. Step 3: Cross multiply
   2,540,227.50x = 5,479,299 × 5,479,299
4. Step 4: Simplify right side
   2,540,227.50x = 30,022,717,531,401
5. Step 5: Solve for x
   x = 30,022,717,531,401/2,540,227.50
6. Step 6: Final answer
   x = 11,818,908.95