Finding the Third Proportional to 2,011,608 and 4,338,144

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011,608 : 4,338,144 = 4,338,144 : x
2. Step 2: Convert to fraction form
   2,011,608/4,338,144 = 4,338,144/x
3. Step 3: Cross multiply
   2,011,608x = 4,338,144 × 4,338,144
4. Step 4: Simplify right side
   2,011,608x = 18,819,493,364,736
5. Step 5: Solve for x
   x = 18,819,493,364,736/2,011,608
6. Step 6: Final answer
   x = 9,355,447.66