Finding the Third Proportional to 254,610.75 and 530,142

Step by Step Solution

1. Step 1: Write the proportion equation
   254,610.75 : 530,142 = 530,142 : x
2. Step 2: Convert to fraction form
   254,610.75/530,142 = 530,142/x
3. Step 3: Cross multiply
   254,610.75x = 530,142 × 530,142
4. Step 4: Simplify right side
   254,610.75x = 281,050,540,164
5. Step 5: Solve for x
   x = 281,050,540,164/254,610.75
6. Step 6: Final answer
   x = 1,103,843.97