Finding the Third Proportional to 4,157,592 and 8,889,728

Step by Step Solution

1. Step 1: Write the proportion equation
   4,157,592 : 8,889,728 = 8,889,728 : x
2. Step 2: Convert to fraction form
   4,157,592/8,889,728 = 8,889,728/x
3. Step 3: Cross multiply
   4,157,592x = 8,889,728 × 8,889,728
4. Step 4: Simplify right side
   4,157,592x = 79,027,263,913,984
5. Step 5: Solve for x
   x = 79,027,263,913,984/4,157,592
6. Step 6: Final answer
   x = 19,007,941.11