Finding the Third Proportional to 132,381 and 172,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,381 : 172,003.50 = 172,003.50 : x
2. Step 2: Convert to fraction form
   132,381/172,003.50 = 172,003.50/x
3. Step 3: Cross multiply
   132,381x = 172,003.50 × 172,003.50
4. Step 4: Simplify right side
   132,381x = 29,585,204,012.25
5. Step 5: Solve for x
   x = 29,585,204,012.25/132,381
6. Step 6: Final answer
   x = 223,485.27