Finding the Third Proportional to 2,471,570 and 5,415,556

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471,570 : 5,415,556 = 5,415,556 : x
2. Step 2: Convert to fraction form
   2,471,570/5,415,556 = 5,415,556/x
3. Step 3: Cross multiply
   2,471,570x = 5,415,556 × 5,415,556
4. Step 4: Simplify right side
   2,471,570x = 29,328,246,789,136
5. Step 5: Solve for x
   x = 29,328,246,789,136/2,471,570
6. Step 6: Final answer
   x = 11,866,241.62