Finding the Third Proportional to 2,546,408 and 5,540,656

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546,408 : 5,540,656 = 5,540,656 : x
2. Step 2: Convert to fraction form
   2,546,408/5,540,656 = 5,540,656/x
3. Step 3: Cross multiply
   2,546,408x = 5,540,656 × 5,540,656
4. Step 4: Simplify right side
   2,546,408x = 30,698,868,910,336
5. Step 5: Solve for x
   x = 30,698,868,910,336/2,546,408
6. Step 6: Final answer
   x = 12,055,754.19