Finding the Third Proportional to 3,491,326 and 5,418,542

Step by Step Solution

1. Step 1: Write the proportion equation
   3,491,326 : 5,418,542 = 5,418,542 : x
2. Step 2: Convert to fraction form
   3,491,326/5,418,542 = 5,418,542/x
3. Step 3: Cross multiply
   3,491,326x = 5,418,542 × 5,418,542
4. Step 4: Simplify right side
   3,491,326x = 29,360,597,405,764
5. Step 5: Solve for x
   x = 29,360,597,405,764/3,491,326
6. Step 6: Final answer
   x = 8,409,583.47