Finding the Third Proportional to 2,463,913,216 and 5,478,716,288

Step by Step Solution

1. Step 1: Write the proportion equation
   2,463,913,216 : 5,478,716,288 = 5,478,716,288 : x
2. Step 2: Convert to fraction form
   2,463,913,216/5,478,716,288 = 5,478,716,288/x
3. Step 3: Cross multiply
   2,463,913,216x = 5,478,716,288 × 5,478,716,288
4. Step 4: Simplify right side
   2,463,913,216x = 30,016,332,164,396,498,944
5. Step 5: Solve for x
   x = 30,016,332,164,396,498,944/2,463,913,216
6. Step 6: Final answer
   x = 12,182,382,061.79