Finding the Third Proportional to 83,608 and 130,960

Step by Step Solution

1. Step 1: Write the proportion equation
   83,608 : 130,960 = 130,960 : x
2. Step 2: Convert to fraction form
   83,608/130,960 = 130,960/x
3. Step 3: Cross multiply
   83,608x = 130,960 × 130,960
4. Step 4: Simplify right side
   83,608x = 17,150,521,600
5. Step 5: Solve for x
   x = 17,150,521,600/83,608
6. Step 6: Final answer
   x = 205,130.15