Finding the Third Proportional to 4,031,728 and 5,809,128

Step by Step Solution

1. Step 1: Write the proportion equation
   4,031,728 : 5,809,128 = 5,809,128 : x
2. Step 2: Convert to fraction form
   4,031,728/5,809,128 = 5,809,128/x
3. Step 3: Cross multiply
   4,031,728x = 5,809,128 × 5,809,128
4. Step 4: Simplify right side
   4,031,728x = 33,745,968,120,384
5. Step 5: Solve for x
   x = 33,745,968,120,384/4,031,728
6. Step 6: Final answer
   x = 8,370,100.39