Finding the Third Proportional to 2,430,048 and 5,328,128

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,048 : 5,328,128 = 5,328,128 : x
2. Step 2: Convert to fraction form
   2,430,048/5,328,128 = 5,328,128/x
3. Step 3: Cross multiply
   2,430,048x = 5,328,128 × 5,328,128
4. Step 4: Simplify right side
   2,430,048x = 28,388,947,984,384
5. Step 5: Solve for x
   x = 28,388,947,984,384/2,430,048
6. Step 6: Final answer
   x = 11,682,463.88