Finding the Third Proportional to 227,858 and 490,778

Step by Step Solution

1. Step 1: Write the proportion equation
   227,858 : 490,778 = 490,778 : x
2. Step 2: Convert to fraction form
   227,858/490,778 = 490,778/x
3. Step 3: Cross multiply
   227,858x = 490,778 × 490,778
4. Step 4: Simplify right side
   227,858x = 240,863,045,284
5. Step 5: Solve for x
   x = 240,863,045,284/227,858
6. Step 6: Final answer
   x = 1,057,075.22