Finding the Third Proportional to 227,789.50 and 498,477.50

Step by Step Solution

1. Step 1: Write the proportion equation
   227,789.50 : 498,477.50 = 498,477.50 : x
2. Step 2: Convert to fraction form
   227,789.50/498,477.50 = 498,477.50/x
3. Step 3: Cross multiply
   227,789.50x = 498,477.50 × 498,477.50
4. Step 4: Simplify right side
   227,789.50x = 248,479,818,006.25
5. Step 5: Solve for x
   x = 248,479,818,006.25/227,789.50
6. Step 6: Final answer
   x = 1,090,830.87