Finding the Third Proportional to 809,691 and 1,743,942

Step by Step Solution

1. Step 1: Write the proportion equation
   809,691 : 1,743,942 = 1,743,942 : x
2. Step 2: Convert to fraction form
   809,691/1,743,942 = 1,743,942/x
3. Step 3: Cross multiply
   809,691x = 1,743,942 × 1,743,942
4. Step 4: Simplify right side
   809,691x = 3,041,333,699,364
5. Step 5: Solve for x
   x = 3,041,333,699,364/809,691
6. Step 6: Final answer
   x = 3,756,165.87