Finding the Third Proportional to 132,216 and 188,472

Step by Step Solution

1. Step 1: Write the proportion equation
   132,216 : 188,472 = 188,472 : x
2. Step 2: Convert to fraction form
   132,216/188,472 = 188,472/x
3. Step 3: Cross multiply
   132,216x = 188,472 × 188,472
4. Step 4: Simplify right side
   132,216x = 35,521,694,784
5. Step 5: Solve for x
   x = 35,521,694,784/132,216
6. Step 6: Final answer
   x = 268,664.12