Finding the Third Proportional to 227,820 and 498,528

Step by Step Solution

1. Step 1: Write the proportion equation
   227,820 : 498,528 = 498,528 : x
2. Step 2: Convert to fraction form
   227,820/498,528 = 498,528/x
3. Step 3: Cross multiply
   227,820x = 498,528 × 498,528
4. Step 4: Simplify right side
   227,820x = 248,530,166,784
5. Step 5: Solve for x
   x = 248,530,166,784/227,820
6. Step 6: Final answer
   x = 1,090,905.83