Finding the Third Proportional to 492,054 and 803,469

Step by Step Solution

1. Step 1: Write the proportion equation
   492,054 : 803,469 = 803,469 : x
2. Step 2: Convert to fraction form
   492,054/803,469 = 803,469/x
3. Step 3: Cross multiply
   492,054x = 803,469 × 803,469
4. Step 4: Simplify right side
   492,054x = 645,562,433,961
5. Step 5: Solve for x
   x = 645,562,433,961/492,054
6. Step 6: Final answer
   x = 1,311,974.77