Finding the Third Proportional to 36,339.75 and 73,660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,339.75 : 73,660.50 = 73,660.50 : x
2. Step 2: Convert to fraction form
   36,339.75/73,660.50 = 73,660.50/x
3. Step 3: Cross multiply
   36,339.75x = 73,660.50 × 73,660.50
4. Step 4: Simplify right side
   36,339.75x = 5,425,869,260.25
5. Step 5: Solve for x
   x = 5,425,869,260.25/36,339.75
6. Step 6: Final answer
   x = 149,309.48