Finding the Third Proportional to 229,716 and 486,708.50

Step by Step Solution

1. Step 1: Write the proportion equation
   229,716 : 486,708.50 = 486,708.50 : x
2. Step 2: Convert to fraction form
   229,716/486,708.50 = 486,708.50/x
3. Step 3: Cross multiply
   229,716x = 486,708.50 × 486,708.50
4. Step 4: Simplify right side
   229,716x = 236,885,163,972.25
5. Step 5: Solve for x
   x = 236,885,163,972.25/229,716
6. Step 6: Final answer
   x = 1,031,208.81