Finding the Third Proportional to 132,410 and 170,012

Step by Step Solution

1. Step 1: Write the proportion equation
   132,410 : 170,012 = 170,012 : x
2. Step 2: Convert to fraction form
   132,410/170,012 = 170,012/x
3. Step 3: Cross multiply
   132,410x = 170,012 × 170,012
4. Step 4: Simplify right side
   132,410x = 28,904,080,144
5. Step 5: Solve for x
   x = 28,904,080,144/132,410
6. Step 6: Final answer
   x = 218,292.28