Finding the Third Proportional to 3,651,158 and 8,141,836

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651,158 : 8,141,836 = 8,141,836 : x
2. Step 2: Convert to fraction form
   3,651,158/8,141,836 = 8,141,836/x
3. Step 3: Cross multiply
   3,651,158x = 8,141,836 × 8,141,836
4. Step 4: Simplify right side
   3,651,158x = 66,289,493,450,896
5. Step 5: Solve for x
   x = 66,289,493,450,896/3,651,158
6. Step 6: Final answer
   x = 18,155,744.96