Finding the Third Proportional to 229,419 and 503,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   229,419 : 503,158.50 = 503,158.50 : x
2. Step 2: Convert to fraction form
   229,419/503,158.50 = 503,158.50/x
3. Step 3: Cross multiply
   229,419x = 503,158.50 × 503,158.50
4. Step 4: Simplify right side
   229,419x = 253,168,476,122.25
5. Step 5: Solve for x
   x = 253,168,476,122.25/229,419
6. Step 6: Final answer
   x = 1,103,520.09