Finding the Third Proportional to 5,405,596 and 7,280,976

Step by Step Solution

1. Step 1: Write the proportion equation
   5,405,596 : 7,280,976 = 7,280,976 : x
2. Step 2: Convert to fraction form
   5,405,596/7,280,976 = 7,280,976/x
3. Step 3: Cross multiply
   5,405,596x = 7,280,976 × 7,280,976
4. Step 4: Simplify right side
   5,405,596x = 53,012,611,512,576
5. Step 5: Solve for x
   x = 53,012,611,512,576/5,405,596
6. Step 6: Final answer
   x = 9,806,987.34