Finding the Third Proportional to 699,944 and 1,085,868

Step by Step Solution

1. Step 1: Write the proportion equation
   699,944 : 1,085,868 = 1,085,868 : x
2. Step 2: Convert to fraction form
   699,944/1,085,868 = 1,085,868/x
3. Step 3: Cross multiply
   699,944x = 1,085,868 × 1,085,868
4. Step 4: Simplify right side
   699,944x = 1,179,109,313,424
5. Step 5: Solve for x
   x = 1,179,109,313,424/699,944
6. Step 6: Final answer
   x = 1,684,576.64