Finding the Third Proportional to 72,294.75 and 108,016.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,294.75 : 108,016.88 = 108,016.88 : x
2. Step 2: Convert to fraction form
   72,294.75/108,016.88 = 108,016.88/x
3. Step 3: Cross multiply
   72,294.75x = 108,016.88 × 108,016.88
4. Step 4: Simplify right side
   72,294.75x = 11,667,645,284.77
5. Step 5: Solve for x
   x = 11,667,645,284.77/72,294.75
6. Step 6: Final answer
   x = 161,389.94