Finding the Third Proportional to 1,215,936 and 2,625,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,936 : 2,625,408 = 2,625,408 : x
2. Step 2: Convert to fraction form
   1,215,936/2,625,408 = 2,625,408/x
3. Step 3: Cross multiply
   1,215,936x = 2,625,408 × 2,625,408
4. Step 4: Simplify right side
   1,215,936x = 6,892,767,166,464
5. Step 5: Solve for x
   x = 6,892,767,166,464/1,215,936
6. Step 6: Final answer
   x = 5,668,692.40