Finding the Third Proportional to 2,448,243 and 5,321,530

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448,243 : 5,321,530 = 5,321,530 : x
2. Step 2: Convert to fraction form
   2,448,243/5,321,530 = 5,321,530/x
3. Step 3: Cross multiply
   2,448,243x = 5,321,530 × 5,321,530
4. Step 4: Simplify right side
   2,448,243x = 28,318,681,540,900
5. Step 5: Solve for x
   x = 28,318,681,540,900/2,448,243
6. Step 6: Final answer
   x = 11,566,940.68