Finding the Third Proportional to 65,386 and 141,608

Step by Step Solution

1. Step 1: Write the proportion equation
   65,386 : 141,608 = 141,608 : x
2. Step 2: Convert to fraction form
   65,386/141,608 = 141,608/x
3. Step 3: Cross multiply
   65,386x = 141,608 × 141,608
4. Step 4: Simplify right side
   65,386x = 20,052,825,664
5. Step 5: Solve for x
   x = 20,052,825,664/65,386
6. Step 6: Final answer
   x = 306,683.78