Finding the Third Proportional to 2,105,522,278.88 and 4,562,141,664.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,522,278.88 : 4,562,141,664.38 = 4,562,141,664.38 : x
2. Step 2: Convert to fraction form
   2,105,522,278.88/4,562,141,664.38 = 4,562,141,664.38/x
3. Step 3: Cross multiply
   2,105,522,278.88x = 4,562,141,664.38 × 4,562,141,664.38
4. Step 4: Simplify right side
   2,105,522,278.88x = 20,813,136,565,826,293,760
5. Step 5: Solve for x
   x = 20,813,136,565,826,293,760/2,105,522,278.88
6. Step 6: Final answer
   x = 9,885,023,195.74