Finding the Third Proportional to 823,688 and 1,804,840

Step by Step Solution

1. Step 1: Write the proportion equation
   823,688 : 1,804,840 = 1,804,840 : x
2. Step 2: Convert to fraction form
   823,688/1,804,840 = 1,804,840/x
3. Step 3: Cross multiply
   823,688x = 1,804,840 × 1,804,840
4. Step 4: Simplify right side
   823,688x = 3,257,447,425,600
5. Step 5: Solve for x
   x = 3,257,447,425,600/823,688
6. Step 6: Final answer
   x = 3,954,710.31