Finding the Third Proportional to 8,078,900 and 17,678,004

Step by Step Solution

1. Step 1: Write the proportion equation
   8,078,900 : 17,678,004 = 17,678,004 : x
2. Step 2: Convert to fraction form
   8,078,900/17,678,004 = 17,678,004/x
3. Step 3: Cross multiply
   8,078,900x = 17,678,004 × 17,678,004
4. Step 4: Simplify right side
   8,078,900x = 312,511,825,424,016
5. Step 5: Solve for x
   x = 312,511,825,424,016/8,078,900
6. Step 6: Final answer
   x = 38,682,472.29