Finding the Third Proportional to 425,760 and 503,520.75

Step by Step Solution

1. Step 1: Write the proportion equation
   425,760 : 503,520.75 = 503,520.75 : x
2. Step 2: Convert to fraction form
   425,760/503,520.75 = 503,520.75/x
3. Step 3: Cross multiply
   425,760x = 503,520.75 × 503,520.75
4. Step 4: Simplify right side
   425,760x = 253,533,145,680.56
5. Step 5: Solve for x
   x = 253,533,145,680.56/425,760
6. Step 6: Final answer
   x = 595,483.71