Finding the Third Proportional to 8,636,131 and 18,468,004

Step by Step Solution

1. Step 1: Write the proportion equation
   8,636,131 : 18,468,004 = 18,468,004 : x
2. Step 2: Convert to fraction form
   8,636,131/18,468,004 = 18,468,004/x
3. Step 3: Cross multiply
   8,636,131x = 18,468,004 × 18,468,004
4. Step 4: Simplify right side
   8,636,131x = 341,067,171,744,016
5. Step 5: Solve for x
   x = 341,067,171,744,016/8,636,131
6. Step 6: Final answer
   x = 39,493,052.13