Finding the Third Proportional to 2,619,287 and 3,938,679

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,287 : 3,938,679 = 3,938,679 : x
2. Step 2: Convert to fraction form
   2,619,287/3,938,679 = 3,938,679/x
3. Step 3: Cross multiply
   2,619,287x = 3,938,679 × 3,938,679
4. Step 4: Simplify right side
   2,619,287x = 15,513,192,265,041
5. Step 5: Solve for x
   x = 15,513,192,265,041/2,619,287
6. Step 6: Final answer
   x = 5,922,677.53