Finding the Third Proportional to 2,555,438 and 5,465,444

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,438 : 5,465,444 = 5,465,444 : x
2. Step 2: Convert to fraction form
   2,555,438/5,465,444 = 5,465,444/x
3. Step 3: Cross multiply
   2,555,438x = 5,465,444 × 5,465,444
4. Step 4: Simplify right side
   2,555,438x = 29,871,078,117,136
5. Step 5: Solve for x
   x = 29,871,078,117,136/2,555,438
6. Step 6: Final answer
   x = 11,689,220.45