Finding the Third Proportional to 587,954 and 1,288,009

Step by Step Solution

1. Step 1: Write the proportion equation
   587,954 : 1,288,009 = 1,288,009 : x
2. Step 2: Convert to fraction form
   587,954/1,288,009 = 1,288,009/x
3. Step 3: Cross multiply
   587,954x = 1,288,009 × 1,288,009
4. Step 4: Simplify right side
   587,954x = 1,658,967,184,081
5. Step 5: Solve for x
   x = 1,658,967,184,081/587,954
6. Step 6: Final answer
   x = 2,821,593.50