Finding the Third Proportional to 2,581,211.81 and 5,566,537.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,211.81 : 5,566,537.69 = 5,566,537.69 : x
2. Step 2: Convert to fraction form
   2,581,211.81/5,566,537.69 = 5,566,537.69/x
3. Step 3: Cross multiply
   2,581,211.81x = 5,566,537.69 × 5,566,537.69
4. Step 4: Simplify right side
   2,581,211.81x = 30,986,341,826,357.85
5. Step 5: Solve for x
   x = 30,986,341,826,357.85/2,581,211.81
6. Step 6: Final answer
   x = 12,004,571.53