Finding the Third Proportional to 2,678,670 and 4,042,173

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678,670 : 4,042,173 = 4,042,173 : x
2. Step 2: Convert to fraction form
   2,678,670/4,042,173 = 4,042,173/x
3. Step 3: Cross multiply
   2,678,670x = 4,042,173 × 4,042,173
4. Step 4: Simplify right side
   2,678,670x = 16,339,162,561,929
5. Step 5: Solve for x
   x = 16,339,162,561,929/2,678,670
6. Step 6: Final answer
   x = 6,099,729.55