Finding the Third Proportional to 599,696 and 1,288,320

Step by Step Solution

1. Step 1: Write the proportion equation
   599,696 : 1,288,320 = 1,288,320 : x
2. Step 2: Convert to fraction form
   599,696/1,288,320 = 1,288,320/x
3. Step 3: Cross multiply
   599,696x = 1,288,320 × 1,288,320
4. Step 4: Simplify right side
   599,696x = 1,659,768,422,400
5. Step 5: Solve for x
   x = 1,659,768,422,400/599,696
6. Step 6: Final answer
   x = 2,767,683.00