Finding the Third Proportional to 229,480 and 499,788

Step by Step Solution

1. Step 1: Write the proportion equation
   229,480 : 499,788 = 499,788 : x
2. Step 2: Convert to fraction form
   229,480/499,788 = 499,788/x
3. Step 3: Cross multiply
   229,480x = 499,788 × 499,788
4. Step 4: Simplify right side
   229,480x = 249,788,044,944
5. Step 5: Solve for x
   x = 249,788,044,944/229,480
6. Step 6: Final answer
   x = 1,088,495.93