Finding the Third Proportional to 1,408,876 and 2,140,205

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408,876 : 2,140,205 = 2,140,205 : x
2. Step 2: Convert to fraction form
   1,408,876/2,140,205 = 2,140,205/x
3. Step 3: Cross multiply
   1,408,876x = 2,140,205 × 2,140,205
4. Step 4: Simplify right side
   1,408,876x = 4,580,477,442,025
5. Step 5: Solve for x
   x = 4,580,477,442,025/1,408,876
6. Step 6: Final answer
   x = 3,251,157.26