Finding the Third Proportional to 2,015,792 and 4,385,872

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,792 : 4,385,872 = 4,385,872 : x
2. Step 2: Convert to fraction form
   2,015,792/4,385,872 = 4,385,872/x
3. Step 3: Cross multiply
   2,015,792x = 4,385,872 × 4,385,872
4. Step 4: Simplify right side
   2,015,792x = 19,235,873,200,384
5. Step 5: Solve for x
   x = 19,235,873,200,384/2,015,792
6. Step 6: Final answer
   x = 9,542,588.32