Finding the Third Proportional to 599,705 and 1,288,336

Step by Step Solution

1. Step 1: Write the proportion equation
   599,705 : 1,288,336 = 1,288,336 : x
2. Step 2: Convert to fraction form
   599,705/1,288,336 = 1,288,336/x
3. Step 3: Cross multiply
   599,705x = 1,288,336 × 1,288,336
4. Step 4: Simplify right side
   599,705x = 1,659,809,648,896
5. Step 5: Solve for x
   x = 1,659,809,648,896/599,705
6. Step 6: Final answer
   x = 2,767,710.21