Finding the Third Proportional to 587,756.25 and 1,200,420

Step by Step Solution

1. Step 1: Write the proportion equation
   587,756.25 : 1,200,420 = 1,200,420 : x
2. Step 2: Convert to fraction form
   587,756.25/1,200,420 = 1,200,420/x
3. Step 3: Cross multiply
   587,756.25x = 1,200,420 × 1,200,420
4. Step 4: Simplify right side
   587,756.25x = 1,441,008,176,400
5. Step 5: Solve for x
   x = 1,441,008,176,400/587,756.25
6. Step 6: Final answer
   x = 2,451,710.51