Finding the Third Proportional to 227,776.50 and 498,458

Step by Step Solution

1. Step 1: Write the proportion equation
   227,776.50 : 498,458 = 498,458 : x
2. Step 2: Convert to fraction form
   227,776.50/498,458 = 498,458/x
3. Step 3: Cross multiply
   227,776.50x = 498,458 × 498,458
4. Step 4: Simplify right side
   227,776.50x = 248,460,377,764
5. Step 5: Solve for x
   x = 248,460,377,764/227,776.50
6. Step 6: Final answer
   x = 1,090,807.78