Finding the Third Proportional to 2,578,514 and 5,585,572

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,514 : 5,585,572 = 5,585,572 : x
2. Step 2: Convert to fraction form
   2,578,514/5,585,572 = 5,585,572/x
3. Step 3: Cross multiply
   2,578,514x = 5,585,572 × 5,585,572
4. Step 4: Simplify right side
   2,578,514x = 31,198,614,567,184
5. Step 5: Solve for x
   x = 31,198,614,567,184/2,578,514
6. Step 6: Final answer
   x = 12,099,455.18