Finding the Third Proportional to 2,620,344 and 5,555,608

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,344 : 5,555,608 = 5,555,608 : x
2. Step 2: Convert to fraction form
   2,620,344/5,555,608 = 5,555,608/x
3. Step 3: Cross multiply
   2,620,344x = 5,555,608 × 5,555,608
4. Step 4: Simplify right side
   2,620,344x = 30,864,780,249,664
5. Step 5: Solve for x
   x = 30,864,780,249,664/2,620,344
6. Step 6: Final answer
   x = 11,778,903.93