Finding the Third Proportional to 2,619,636 and 3,913,278

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,636 : 3,913,278 = 3,913,278 : x
2. Step 2: Convert to fraction form
   2,619,636/3,913,278 = 3,913,278/x
3. Step 3: Cross multiply
   2,619,636x = 3,913,278 × 3,913,278
4. Step 4: Simplify right side
   2,619,636x = 15,313,744,705,284
5. Step 5: Solve for x
   x = 15,313,744,705,284/2,619,636
6. Step 6: Final answer
   x = 5,845,752.89