Finding the Third Proportional to 3,393,489 and 7,272,744

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393,489 : 7,272,744 = 7,272,744 : x
2. Step 2: Convert to fraction form
   3,393,489/7,272,744 = 7,272,744/x
3. Step 3: Cross multiply
   3,393,489x = 7,272,744 × 7,272,744
4. Step 4: Simplify right side
   3,393,489x = 52,892,805,289,536
5. Step 5: Solve for x
   x = 52,892,805,289,536/3,393,489
6. Step 6: Final answer
   x = 15,586,555.69