Finding the Third Proportional to 811,868 and 1,743,442

Step by Step Solution

1. Step 1: Write the proportion equation
   811,868 : 1,743,442 = 1,743,442 : x
2. Step 2: Convert to fraction form
   811,868/1,743,442 = 1,743,442/x
3. Step 3: Cross multiply
   811,868x = 1,743,442 × 1,743,442
4. Step 4: Simplify right side
   811,868x = 3,039,590,007,364
5. Step 5: Solve for x
   x = 3,039,590,007,364/811,868
6. Step 6: Final answer
   x = 3,743,946.07