Finding the Third Proportional to 582,786 and 1,268,118

Step by Step Solution

1. Step 1: Write the proportion equation
   582,786 : 1,268,118 = 1,268,118 : x
2. Step 2: Convert to fraction form
   582,786/1,268,118 = 1,268,118/x
3. Step 3: Cross multiply
   582,786x = 1,268,118 × 1,268,118
4. Step 4: Simplify right side
   582,786x = 1,608,123,261,924
5. Step 5: Solve for x
   x = 1,608,123,261,924/582,786
6. Step 6: Final answer
   x = 2,759,371.81