Finding the Third Proportional to 229,509 and 499,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   229,509 : 499,018.50 = 499,018.50 : x
2. Step 2: Convert to fraction form
   229,509/499,018.50 = 499,018.50/x
3. Step 3: Cross multiply
   229,509x = 499,018.50 × 499,018.50
4. Step 4: Simplify right side
   229,509x = 249,019,463,342.25
5. Step 5: Solve for x
   x = 249,019,463,342.25/229,509
6. Step 6: Final answer
   x = 1,085,009.58