Finding the Third Proportional to 4,355,864 and 9,467,512

Step by Step Solution

1. Step 1: Write the proportion equation
   4,355,864 : 9,467,512 = 9,467,512 : x
2. Step 2: Convert to fraction form
   4,355,864/9,467,512 = 9,467,512/x
3. Step 3: Cross multiply
   4,355,864x = 9,467,512 × 9,467,512
4. Step 4: Simplify right side
   4,355,864x = 89,633,783,470,144
5. Step 5: Solve for x
   x = 89,633,783,470,144/4,355,864
6. Step 6: Final answer
   x = 20,577,727.74