Finding the Third Proportional to 2,678,664 and 4,042,164

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678,664 : 4,042,164 = 4,042,164 : x
2. Step 2: Convert to fraction form
   2,678,664/4,042,164 = 4,042,164/x
3. Step 3: Cross multiply
   2,678,664x = 4,042,164 × 4,042,164
4. Step 4: Simplify right side
   2,678,664x = 16,339,089,802,896
5. Step 5: Solve for x
   x = 16,339,089,802,896/2,678,664
6. Step 6: Final answer
   x = 6,099,716.05