Finding the Third Proportional to 11,870 and 16,672

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870 : 16,672 = 16,672 : x
2. Step 2: Convert to fraction form
   11,870/16,672 = 16,672/x
3. Step 3: Cross multiply
   11,870x = 16,672 × 16,672
4. Step 4: Simplify right side
   11,870x = 277,955,584
5. Step 5: Solve for x
   x = 277,955,584/11,870
6. Step 6: Final answer
   x = 23,416.65