Finding the Third Proportional to 239,173.50 and 503,133

Step by Step Solution

1. Step 1: Write the proportion equation
   239,173.50 : 503,133 = 503,133 : x
2. Step 2: Convert to fraction form
   239,173.50/503,133 = 503,133/x
3. Step 3: Cross multiply
   239,173.50x = 503,133 × 503,133
4. Step 4: Simplify right side
   239,173.50x = 253,142,815,689
5. Step 5: Solve for x
   x = 253,142,815,689/239,173.50
6. Step 6: Final answer
   x = 1,058,406.62