Finding the Third Proportional to 2,678,666 and 4,042,167

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678,666 : 4,042,167 = 4,042,167 : x
2. Step 2: Convert to fraction form
   2,678,666/4,042,167 = 4,042,167/x
3. Step 3: Cross multiply
   2,678,666x = 4,042,167 × 4,042,167
4. Step 4: Simplify right side
   2,678,666x = 16,339,114,055,889
5. Step 5: Solve for x
   x = 16,339,114,055,889/2,678,666
6. Step 6: Final answer
   x = 6,099,720.55