Finding the Third Proportional to 809,528 and 1,207,736

Step by Step Solution

1. Step 1: Write the proportion equation
   809,528 : 1,207,736 = 1,207,736 : x
2. Step 2: Convert to fraction form
   809,528/1,207,736 = 1,207,736/x
3. Step 3: Cross multiply
   809,528x = 1,207,736 × 1,207,736
4. Step 4: Simplify right side
   809,528x = 1,458,626,245,696
5. Step 5: Solve for x
   x = 1,458,626,245,696/809,528
6. Step 6: Final answer
   x = 1,801,823.09