Finding the Third Proportional to 86,042 and 132,915

Step by Step Solution

1. Step 1: Write the proportion equation
   86,042 : 132,915 = 132,915 : x
2. Step 2: Convert to fraction form
   86,042/132,915 = 132,915/x
3. Step 3: Cross multiply
   86,042x = 132,915 × 132,915
4. Step 4: Simplify right side
   86,042x = 17,666,397,225
5. Step 5: Solve for x
   x = 17,666,397,225/86,042
6. Step 6: Final answer
   x = 205,322.95