Finding the Third Proportional to 231,626 and 503,860

Step by Step Solution

1. Step 1: Write the proportion equation
   231,626 : 503,860 = 503,860 : x
2. Step 2: Convert to fraction form
   231,626/503,860 = 503,860/x
3. Step 3: Cross multiply
   231,626x = 503,860 × 503,860
4. Step 4: Simplify right side
   231,626x = 253,874,899,600
5. Step 5: Solve for x
   x = 253,874,899,600/231,626
6. Step 6: Final answer
   x = 1,096,055.28