Finding the Third Proportional to 4,102,728 and 8,927,895

Step by Step Solution

1. Step 1: Write the proportion equation
   4,102,728 : 8,927,895 = 8,927,895 : x
2. Step 2: Convert to fraction form
   4,102,728/8,927,895 = 8,927,895/x
3. Step 3: Cross multiply
   4,102,728x = 8,927,895 × 8,927,895
4. Step 4: Simplify right side
   4,102,728x = 79,707,309,131,025
5. Step 5: Solve for x
   x = 79,707,309,131,025/4,102,728
6. Step 6: Final answer
   x = 19,427,880.46