Finding the Third Proportional to 2,639,054,116 and 3,872,309,828

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,054,116 : 3,872,309,828 = 3,872,309,828 : x
2. Step 2: Convert to fraction form
   2,639,054,116/3,872,309,828 = 3,872,309,828/x
3. Step 3: Cross multiply
   2,639,054,116x = 3,872,309,828 × 3,872,309,828
4. Step 4: Simplify right side
   2,639,054,116x = 14,994,783,404,025,389,056
5. Step 5: Solve for x
   x = 14,994,783,404,025,389,056/2,639,054,116
6. Step 6: Final answer
   x = 5,681,877,955.10