Finding the Third Proportional to 2,619,638 and 3,913,281

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,638 : 3,913,281 = 3,913,281 : x
2. Step 2: Convert to fraction form
   2,619,638/3,913,281 = 3,913,281/x
3. Step 3: Cross multiply
   2,619,638x = 3,913,281 × 3,913,281
4. Step 4: Simplify right side
   2,619,638x = 15,313,768,184,961
5. Step 5: Solve for x
   x = 15,313,768,184,961/2,619,638
6. Step 6: Final answer
   x = 5,845,757.39