Finding the Third Proportional to 132,424 and 205,172

Step by Step Solution

1. Step 1: Write the proportion equation
   132,424 : 205,172 = 205,172 : x
2. Step 2: Convert to fraction form
   132,424/205,172 = 205,172/x
3. Step 3: Cross multiply
   132,424x = 205,172 × 205,172
4. Step 4: Simplify right side
   132,424x = 42,095,549,584
5. Step 5: Solve for x
   x = 42,095,549,584/132,424
6. Step 6: Final answer
   x = 317,884.59