Finding the Third Proportional to 823,612 and 1,804,688

Step by Step Solution

1. Step 1: Write the proportion equation
   823,612 : 1,804,688 = 1,804,688 : x
2. Step 2: Convert to fraction form
   823,612/1,804,688 = 1,804,688/x
3. Step 3: Cross multiply
   823,612x = 1,804,688 × 1,804,688
4. Step 4: Simplify right side
   823,612x = 3,256,898,777,344
5. Step 5: Solve for x
   x = 3,256,898,777,344/823,612
6. Step 6: Final answer
   x = 3,954,409.09