Finding the Third Proportional to 233,145 and 503,509.50

Step by Step Solution

1. Step 1: Write the proportion equation
   233,145 : 503,509.50 = 503,509.50 : x
2. Step 2: Convert to fraction form
   233,145/503,509.50 = 503,509.50/x
3. Step 3: Cross multiply
   233,145x = 503,509.50 × 503,509.50
4. Step 4: Simplify right side
   233,145x = 253,521,816,590.25
5. Step 5: Solve for x
   x = 253,521,816,590.25/233,145
6. Step 6: Final answer
   x = 1,087,399.76