Finding the Third Proportional to 3,396,141 and 4,614,678

Step by Step Solution

1. Step 1: Write the proportion equation
   3,396,141 : 4,614,678 = 4,614,678 : x
2. Step 2: Convert to fraction form
   3,396,141/4,614,678 = 4,614,678/x
3. Step 3: Cross multiply
   3,396,141x = 4,614,678 × 4,614,678
4. Step 4: Simplify right side
   3,396,141x = 21,295,253,043,684
5. Step 5: Solve for x
   x = 21,295,253,043,684/3,396,141
6. Step 6: Final answer
   x = 6,270,426.65