Finding the Third Proportional to 1,777,408 and 2,539,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777,408 : 2,539,920 = 2,539,920 : x
2. Step 2: Convert to fraction form
   1,777,408/2,539,920 = 2,539,920/x
3. Step 3: Cross multiply
   1,777,408x = 2,539,920 × 2,539,920
4. Step 4: Simplify right side
   1,777,408x = 6,451,193,606,400
5. Step 5: Solve for x
   x = 6,451,193,606,400/1,777,408
6. Step 6: Final answer
   x = 3,629,551.35