Finding the Third Proportional to 587,788 and 1,200,480

Step by Step Solution

1. Step 1: Write the proportion equation
   587,788 : 1,200,480 = 1,200,480 : x
2. Step 2: Convert to fraction form
   587,788/1,200,480 = 1,200,480/x
3. Step 3: Cross multiply
   587,788x = 1,200,480 × 1,200,480
4. Step 4: Simplify right side
   587,788x = 1,441,152,230,400
5. Step 5: Solve for x
   x = 1,441,152,230,400/587,788
6. Step 6: Final answer
   x = 2,451,823.16