Finding the Third Proportional to 86,867 and 130,510

Step by Step Solution

1. Step 1: Write the proportion equation
   86,867 : 130,510 = 130,510 : x
2. Step 2: Convert to fraction form
   86,867/130,510 = 130,510/x
3. Step 3: Cross multiply
   86,867x = 130,510 × 130,510
4. Step 4: Simplify right side
   86,867x = 17,032,860,100
5. Step 5: Solve for x
   x = 17,032,860,100/86,867
6. Step 6: Final answer
   x = 196,079.76