Finding the Third Proportional to 4,015,728 and 7,829,692

Step by Step Solution

1. Step 1: Write the proportion equation
   4,015,728 : 7,829,692 = 7,829,692 : x
2. Step 2: Convert to fraction form
   4,015,728/7,829,692 = 7,829,692/x
3. Step 3: Cross multiply
   4,015,728x = 7,829,692 × 7,829,692
4. Step 4: Simplify right side
   4,015,728x = 61,304,076,814,864
5. Step 5: Solve for x
   x = 61,304,076,814,864/4,015,728
6. Step 6: Final answer
   x = 15,265,993.32