Finding the Third Proportional to 227,880 and 498,648

Step by Step Solution

1. Step 1: Write the proportion equation
   227,880 : 498,648 = 498,648 : x
2. Step 2: Convert to fraction form
   227,880/498,648 = 498,648/x
3. Step 3: Cross multiply
   227,880x = 498,648 × 498,648
4. Step 4: Simplify right side
   227,880x = 248,649,827,904
5. Step 5: Solve for x
   x = 248,649,827,904/227,880
6. Step 6: Final answer
   x = 1,091,143.71