Finding the Third Proportional to 3,662,660 and 5,388,091

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662,660 : 5,388,091 = 5,388,091 : x
2. Step 2: Convert to fraction form
   3,662,660/5,388,091 = 5,388,091/x
3. Step 3: Cross multiply
   3,662,660x = 5,388,091 × 5,388,091
4. Step 4: Simplify right side
   3,662,660x = 29,031,524,624,281
5. Step 5: Solve for x
   x = 29,031,524,624,281/3,662,660
6. Step 6: Final answer
   x = 7,926,349.87