Finding the Third Proportional to 4,516,512 and 9,687,936

Step by Step Solution

1. Step 1: Write the proportion equation
   4,516,512 : 9,687,936 = 9,687,936 : x
2. Step 2: Convert to fraction form
   4,516,512/9,687,936 = 9,687,936/x
3. Step 3: Cross multiply
   4,516,512x = 9,687,936 × 9,687,936
4. Step 4: Simplify right side
   4,516,512x = 93,856,103,940,096
5. Step 5: Solve for x
   x = 93,856,103,940,096/4,516,512
6. Step 6: Final answer
   x = 20,780,660.82