Finding the Third Proportional to 587,544 and 1,209,864

Step by Step Solution

1. Step 1: Write the proportion equation
   587,544 : 1,209,864 = 1,209,864 : x
2. Step 2: Convert to fraction form
   587,544/1,209,864 = 1,209,864/x
3. Step 3: Cross multiply
   587,544x = 1,209,864 × 1,209,864
4. Step 4: Simplify right side
   587,544x = 1,463,770,898,496
5. Step 5: Solve for x
   x = 1,463,770,898,496/587,544
6. Step 6: Final answer
   x = 2,491,338.35