Finding the Third Proportional to 5,405,544 and 7,280,901

Step by Step Solution

1. Step 1: Write the proportion equation
   5,405,544 : 7,280,901 = 7,280,901 : x
2. Step 2: Convert to fraction form
   5,405,544/7,280,901 = 7,280,901/x
3. Step 3: Cross multiply
   5,405,544x = 7,280,901 × 7,280,901
4. Step 4: Simplify right side
   5,405,544x = 53,011,519,371,801
5. Step 5: Solve for x
   x = 53,011,519,371,801/5,405,544
6. Step 6: Final answer
   x = 9,806,879.64