Finding the Third Proportional to 3,662,642 and 5,388,071

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662,642 : 5,388,071 = 5,388,071 : x
2. Step 2: Convert to fraction form
   3,662,642/5,388,071 = 5,388,071/x
3. Step 3: Cross multiply
   3,662,642x = 5,388,071 × 5,388,071
4. Step 4: Simplify right side
   3,662,642x = 29,031,309,101,041
5. Step 5: Solve for x
   x = 29,031,309,101,041/3,662,642
6. Step 6: Final answer
   x = 7,926,329.98