Finding the Third Proportional to 3,662,621 and 5,388,042

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662,621 : 5,388,042 = 5,388,042 : x
2. Step 2: Convert to fraction form
   3,662,621/5,388,042 = 5,388,042/x
3. Step 3: Cross multiply
   3,662,621x = 5,388,042 × 5,388,042
4. Step 4: Simplify right side
   3,662,621x = 29,030,996,593,764
5. Step 5: Solve for x
   x = 29,030,996,593,764/3,662,621
6. Step 6: Final answer
   x = 7,926,290.11