Finding the Third Proportional to 582,753 and 900,009

Step by Step Solution

1. Step 1: Write the proportion equation
   582,753 : 900,009 = 900,009 : x
2. Step 2: Convert to fraction form
   582,753/900,009 = 900,009/x
3. Step 3: Cross multiply
   582,753x = 900,009 × 900,009
4. Step 4: Simplify right side
   582,753x = 810,016,200,081
5. Step 5: Solve for x
   x = 810,016,200,081/582,753
6. Step 6: Final answer
   x = 1,389,982.03