Finding the Third Proportional to 132,408 and 170,009.25

Step by Step Solution

1. Step 1: Write the proportion equation
   132,408 : 170,009.25 = 170,009.25 : x
2. Step 2: Convert to fraction form
   132,408/170,009.25 = 170,009.25/x
3. Step 3: Cross multiply
   132,408x = 170,009.25 × 170,009.25
4. Step 4: Simplify right side
   132,408x = 28,903,145,085.56
5. Step 5: Solve for x
   x = 28,903,145,085.56/132,408
6. Step 6: Final answer
   x = 218,288.51