Finding the Third Proportional to 2,540,225 and 5,479,294

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,225 : 5,479,294 = 5,479,294 : x
2. Step 2: Convert to fraction form
   2,540,225/5,479,294 = 5,479,294/x
3. Step 3: Cross multiply
   2,540,225x = 5,479,294 × 5,479,294
4. Step 4: Simplify right side
   2,540,225x = 30,022,662,738,436
5. Step 5: Solve for x
   x = 30,022,662,738,436/2,540,225
6. Step 6: Final answer
   x = 11,818,899.01