Finding the Third Proportional to 582,772 and 1,268,090

Step by Step Solution

1. Step 1: Write the proportion equation
   582,772 : 1,268,090 = 1,268,090 : x
2. Step 2: Convert to fraction form
   582,772/1,268,090 = 1,268,090/x
3. Step 3: Cross multiply
   582,772x = 1,268,090 × 1,268,090
4. Step 4: Simplify right side
   582,772x = 1,608,052,248,100
5. Step 5: Solve for x
   x = 1,608,052,248,100/582,772
6. Step 6: Final answer
   x = 2,759,316.25