Finding the Third Proportional to 3,669,437 and 8,290,179

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,437 : 8,290,179 = 8,290,179 : x
2. Step 2: Convert to fraction form
   3,669,437/8,290,179 = 8,290,179/x
3. Step 3: Cross multiply
   3,669,437x = 8,290,179 × 8,290,179
4. Step 4: Simplify right side
   3,669,437x = 68,727,067,852,041
5. Step 5: Solve for x
   x = 68,727,067,852,041/3,669,437
6. Step 6: Final answer
   x = 18,729,594.72