Finding the Third Proportional to 3,394,566 and 7,320,573

Step by Step Solution

1. Step 1: Write the proportion equation
   3,394,566 : 7,320,573 = 7,320,573 : x
2. Step 2: Convert to fraction form
   3,394,566/7,320,573 = 7,320,573/x
3. Step 3: Cross multiply
   3,394,566x = 7,320,573 × 7,320,573
4. Step 4: Simplify right side
   3,394,566x = 53,590,789,048,329
5. Step 5: Solve for x
   x = 53,590,789,048,329/3,394,566
6. Step 6: Final answer
   x = 15,787,228.48