Finding the Third Proportional to 2,690,672 and 3,932,408

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,672 : 3,932,408 = 3,932,408 : x
2. Step 2: Convert to fraction form
   2,690,672/3,932,408 = 3,932,408/x
3. Step 3: Cross multiply
   2,690,672x = 3,932,408 × 3,932,408
4. Step 4: Simplify right side
   2,690,672x = 15,463,832,678,464
5. Step 5: Solve for x
   x = 15,463,832,678,464/2,690,672
6. Step 6: Final answer
   x = 5,747,200.95