Finding the Third Proportional to 3,875,928,664 and 8,502,245,456

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875,928,664 : 8,502,245,456 = 8,502,245,456 : x
2. Step 2: Convert to fraction form
   3,875,928,664/8,502,245,456 = 8,502,245,456/x
3. Step 3: Cross multiply
   3,875,928,664x = 8,502,245,456 × 8,502,245,456
4. Step 4: Simplify right side
   3,875,928,664x = 72,288,177,794,072,649,728
5. Step 5: Solve for x
   x = 72,288,177,794,072,649,728/3,875,928,664
6. Step 6: Final answer
   x = 18,650,543,923.96