Finding the Third Proportional to 824,940 and 1,809,288

Step by Step Solution

1. Step 1: Write the proportion equation
   824,940 : 1,809,288 = 1,809,288 : x
2. Step 2: Convert to fraction form
   824,940/1,809,288 = 1,809,288/x
3. Step 3: Cross multiply
   824,940x = 1,809,288 × 1,809,288
4. Step 4: Simplify right side
   824,940x = 3,273,523,066,944
5. Step 5: Solve for x
   x = 3,273,523,066,944/824,940
6. Step 6: Final answer
   x = 3,968,195.34