Finding the Third Proportional to 2,685,408 and 4,098,240

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685,408 : 4,098,240 = 4,098,240 : x
2. Step 2: Convert to fraction form
   2,685,408/4,098,240 = 4,098,240/x
3. Step 3: Cross multiply
   2,685,408x = 4,098,240 × 4,098,240
4. Step 4: Simplify right side
   2,685,408x = 16,795,571,097,600
5. Step 5: Solve for x
   x = 16,795,571,097,600/2,685,408
6. Step 6: Final answer
   x = 6,254,383.36