Finding the Third Proportional to 89,936.50 and 129,932

Step by Step Solution

1. Step 1: Write the proportion equation
   89,936.50 : 129,932 = 129,932 : x
2. Step 2: Convert to fraction form
   89,936.50/129,932 = 129,932/x
3. Step 3: Cross multiply
   89,936.50x = 129,932 × 129,932
4. Step 4: Simplify right side
   89,936.50x = 16,882,324,624
5. Step 5: Solve for x
   x = 16,882,324,624/89,936.50
6. Step 6: Final answer
   x = 187,713.83