Finding the Third Proportional to 54,072 and 72,329.25

Step by Step Solution

1. Step 1: Write the proportion equation
   54,072 : 72,329.25 = 72,329.25 : x
2. Step 2: Convert to fraction form
   54,072/72,329.25 = 72,329.25/x
3. Step 3: Cross multiply
   54,072x = 72,329.25 × 72,329.25
4. Step 4: Simplify right side
   54,072x = 5,231,520,405.56
5. Step 5: Solve for x
   x = 5,231,520,405.56/54,072
6. Step 6: Final answer
   x = 96,751.01