Finding the Third Proportional to 560,800 and 1,200,320

Step by Step Solution

1. Step 1: Write the proportion equation
   560,800 : 1,200,320 = 1,200,320 : x
2. Step 2: Convert to fraction form
   560,800/1,200,320 = 1,200,320/x
3. Step 3: Cross multiply
   560,800x = 1,200,320 × 1,200,320
4. Step 4: Simplify right side
   560,800x = 1,440,768,102,400
5. Step 5: Solve for x
   x = 1,440,768,102,400/560,800
6. Step 6: Final answer
   x = 2,569,130.00