Finding the Third Proportional to 229,274.50 and 502,790

Step by Step Solution

1. Step 1: Write the proportion equation
   229,274.50 : 502,790 = 502,790 : x
2. Step 2: Convert to fraction form
   229,274.50/502,790 = 502,790/x
3. Step 3: Cross multiply
   229,274.50x = 502,790 × 502,790
4. Step 4: Simplify right side
   229,274.50x = 252,797,784,100
5. Step 5: Solve for x
   x = 252,797,784,100/229,274.50
6. Step 6: Final answer
   x = 1,102,598.78