Finding the Third Proportional to 589,570 and 1,263,256

Step by Step Solution

1. Step 1: Write the proportion equation
   589,570 : 1,263,256 = 1,263,256 : x
2. Step 2: Convert to fraction form
   589,570/1,263,256 = 1,263,256/x
3. Step 3: Cross multiply
   589,570x = 1,263,256 × 1,263,256
4. Step 4: Simplify right side
   589,570x = 1,595,815,721,536
5. Step 5: Solve for x
   x = 1,595,815,721,536/589,570
6. Step 6: Final answer
   x = 2,706,745.12