Finding the Third Proportional to 227,788 and 498,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   227,788 : 498,478.50 = 498,478.50 : x
2. Step 2: Convert to fraction form
   227,788/498,478.50 = 498,478.50/x
3. Step 3: Cross multiply
   227,788x = 498,478.50 × 498,478.50
4. Step 4: Simplify right side
   227,788x = 248,480,814,962.25
5. Step 5: Solve for x
   x = 248,480,814,962.25/227,788
6. Step 6: Final answer
   x = 1,090,842.43