Finding the Third Proportional to 227,748 and 498,210

Step by Step Solution

1. Step 1: Write the proportion equation
   227,748 : 498,210 = 498,210 : x
2. Step 2: Convert to fraction form
   227,748/498,210 = 498,210/x
3. Step 3: Cross multiply
   227,748x = 498,210 × 498,210
4. Step 4: Simplify right side
   227,748x = 248,213,204,100
5. Step 5: Solve for x
   x = 248,213,204,100/227,748
6. Step 6: Final answer
   x = 1,089,858.98