Finding the Third Proportional to 2,553,177 and 5,531,867

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,177 : 5,531,867 = 5,531,867 : x
2. Step 2: Convert to fraction form
   2,553,177/5,531,867 = 5,531,867/x
3. Step 3: Cross multiply
   2,553,177x = 5,531,867 × 5,531,867
4. Step 4: Simplify right side
   2,553,177x = 30,601,552,505,689
5. Step 5: Solve for x
   x = 30,601,552,505,689/2,553,177
6. Step 6: Final answer
   x = 11,985,676.08