Finding the Third Proportional to 3,662,619 and 5,388,039

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662,619 : 5,388,039 = 5,388,039 : x
2. Step 2: Convert to fraction form
   3,662,619/5,388,039 = 5,388,039/x
3. Step 3: Cross multiply
   3,662,619x = 5,388,039 × 5,388,039
4. Step 4: Simplify right side
   3,662,619x = 29,030,964,265,521
5. Step 5: Solve for x
   x = 29,030,964,265,521/3,662,619
6. Step 6: Final answer
   x = 7,926,285.61