Finding the Third Proportional to 1,241,408 and 2,659,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,241,408 : 2,659,990 = 2,659,990 : x
2. Step 2: Convert to fraction form
   1,241,408/2,659,990 = 2,659,990/x
3. Step 3: Cross multiply
   1,241,408x = 2,659,990 × 2,659,990
4. Step 4: Simplify right side
   1,241,408x = 7,075,546,800,100
5. Step 5: Solve for x
   x = 7,075,546,800,100/1,241,408
6. Step 6: Final answer
   x = 5,699,614.31