Finding the Third Proportional to 824,586 and 1,790,172

Step by Step Solution

1. Step 1: Write the proportion equation
   824,586 : 1,790,172 = 1,790,172 : x
2. Step 2: Convert to fraction form
   824,586/1,790,172 = 1,790,172/x
3. Step 3: Cross multiply
   824,586x = 1,790,172 × 1,790,172
4. Step 4: Simplify right side
   824,586x = 3,204,715,789,584
5. Step 5: Solve for x
   x = 3,204,715,789,584/824,586
6. Step 6: Final answer
   x = 3,886,454.28