Finding the Third Proportional to 3,669,441 and 8,290,189

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,441 : 8,290,189 = 8,290,189 : x
2. Step 2: Convert to fraction form
   3,669,441/8,290,189 = 8,290,189/x
3. Step 3: Cross multiply
   3,669,441x = 8,290,189 × 8,290,189
4. Step 4: Simplify right side
   3,669,441x = 68,727,233,655,721
5. Step 5: Solve for x
   x = 68,727,233,655,721/3,669,441
6. Step 6: Final answer
   x = 18,729,619.49