Finding the Third Proportional to 229,615.50 and 503,619

Step by Step Solution

1. Step 1: Write the proportion equation
   229,615.50 : 503,619 = 503,619 : x
2. Step 2: Convert to fraction form
   229,615.50/503,619 = 503,619/x
3. Step 3: Cross multiply
   229,615.50x = 503,619 × 503,619
4. Step 4: Simplify right side
   229,615.50x = 253,632,097,161
5. Step 5: Solve for x
   x = 253,632,097,161/229,615.50
6. Step 6: Final answer
   x = 1,104,594.84