Finding the Third Proportional to 69,016.50 and 103,872

Step by Step Solution

1. Step 1: Write the proportion equation
   69,016.50 : 103,872 = 103,872 : x
2. Step 2: Convert to fraction form
   69,016.50/103,872 = 103,872/x
3. Step 3: Cross multiply
   69,016.50x = 103,872 × 103,872
4. Step 4: Simplify right side
   69,016.50x = 10,789,392,384
5. Step 5: Solve for x
   x = 10,789,392,384/69,016.50
6. Step 6: Final answer
   x = 156,330.62