Finding the Third Proportional to 2,540,294 and 5,479,444

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,294 : 5,479,444 = 5,479,444 : x
2. Step 2: Convert to fraction form
   2,540,294/5,479,444 = 5,479,444/x
3. Step 3: Cross multiply
   2,540,294x = 5,479,444 × 5,479,444
4. Step 4: Simplify right side
   2,540,294x = 30,024,306,549,136
5. Step 5: Solve for x
   x = 30,024,306,549,136/2,540,294
6. Step 6: Final answer
   x = 11,819,225.08