Finding the Third Proportional to 86,013 and 188,981

Step by Step Solution

1. Step 1: Write the proportion equation
   86,013 : 188,981 = 188,981 : x
2. Step 2: Convert to fraction form
   86,013/188,981 = 188,981/x
3. Step 3: Cross multiply
   86,013x = 188,981 × 188,981
4. Step 4: Simplify right side
   86,013x = 35,713,818,361
5. Step 5: Solve for x
   x = 35,713,818,361/86,013
6. Step 6: Final answer
   x = 415,214.19