Finding the Third Proportional to 804,805 and 1,128,009

Step by Step Solution

1. Step 1: Write the proportion equation
   804,805 : 1,128,009 = 1,128,009 : x
2. Step 2: Convert to fraction form
   804,805/1,128,009 = 1,128,009/x
3. Step 3: Cross multiply
   804,805x = 1,128,009 × 1,128,009
4. Step 4: Simplify right side
   804,805x = 1,272,404,304,081
5. Step 5: Solve for x
   x = 1,272,404,304,081/804,805
6. Step 6: Final answer
   x = 1,581,009.44