Finding the Third Proportional to 230,654 and 499,216

Step by Step Solution

1. Step 1: Write the proportion equation
   230,654 : 499,216 = 499,216 : x
2. Step 2: Convert to fraction form
   230,654/499,216 = 499,216/x
3. Step 3: Cross multiply
   230,654x = 499,216 × 499,216
4. Step 4: Simplify right side
   230,654x = 249,216,614,656
5. Step 5: Solve for x
   x = 249,216,614,656/230,654
6. Step 6: Final answer
   x = 1,080,478.18