Finding the Third Proportional to 65,703 and 140,142

Step by Step Solution

1. Step 1: Write the proportion equation
   65,703 : 140,142 = 140,142 : x
2. Step 2: Convert to fraction form
   65,703/140,142 = 140,142/x
3. Step 3: Cross multiply
   65,703x = 140,142 × 140,142
4. Step 4: Simplify right side
   65,703x = 19,639,780,164
5. Step 5: Solve for x
   x = 19,639,780,164/65,703
6. Step 6: Final answer
   x = 298,917.56