Finding the Third Proportional to 36,306 and 54,456.75

Step by Step Solution

1. Step 1: Write the proportion equation
   36,306 : 54,456.75 = 54,456.75 : x
2. Step 2: Convert to fraction form
   36,306/54,456.75 = 54,456.75/x
3. Step 3: Cross multiply
   36,306x = 54,456.75 × 54,456.75
4. Step 4: Simplify right side
   36,306x = 2,965,537,620.56
5. Step 5: Solve for x
   x = 2,965,537,620.56/36,306
6. Step 6: Final answer
   x = 81,681.75