Finding the Third Proportional to 51,156 and 108,872

Step by Step Solution

1. Step 1: Write the proportion equation
   51,156 : 108,872 = 108,872 : x
2. Step 2: Convert to fraction form
   51,156/108,872 = 108,872/x
3. Step 3: Cross multiply
   51,156x = 108,872 × 108,872
4. Step 4: Simplify right side
   51,156x = 11,853,112,384
5. Step 5: Solve for x
   x = 11,853,112,384/51,156
6. Step 6: Final answer
   x = 231,705.22