Finding the Third Proportional to 2,918,568 and 4,662,408

Step by Step Solution

1. Step 1: Write the proportion equation
   2,918,568 : 4,662,408 = 4,662,408 : x
2. Step 2: Convert to fraction form
   2,918,568/4,662,408 = 4,662,408/x
3. Step 3: Cross multiply
   2,918,568x = 4,662,408 × 4,662,408
4. Step 4: Simplify right side
   2,918,568x = 21,738,048,358,464
5. Step 5: Solve for x
   x = 21,738,048,358,464/2,918,568
6. Step 6: Final answer
   x = 7,448,189.78