Finding the Third Proportional to 36,457.59 and 54,720.56

Step by Step Solution

1. Step 1: Write the proportion equation
   36,457.59 : 54,720.56 = 54,720.56 : x
2. Step 2: Convert to fraction form
   36,457.59/54,720.56 = 54,720.56/x
3. Step 3: Cross multiply
   36,457.59x = 54,720.56 × 54,720.56
4. Step 4: Simplify right side
   36,457.59x = 2,994,339,960.32
5. Step 5: Solve for x
   x = 2,994,339,960.32/36,457.59
6. Step 6: Final answer
   x = 82,132.13