Finding the Third Proportional to 227,806 and 499,490

Step by Step Solution

1. Step 1: Write the proportion equation
   227,806 : 499,490 = 499,490 : x
2. Step 2: Convert to fraction form
   227,806/499,490 = 499,490/x
3. Step 3: Cross multiply
   227,806x = 499,490 × 499,490
4. Step 4: Simplify right side
   227,806x = 249,490,260,100
5. Step 5: Solve for x
   x = 249,490,260,100/227,806
6. Step 6: Final answer
   x = 1,095,187.40