Finding the Third Proportional to 36,309.94 and 74,624.63

Step by Step Solution

1. Step 1: Write the proportion equation
   36,309.94 : 74,624.63 = 74,624.63 : x
2. Step 2: Convert to fraction form
   36,309.94/74,624.63 = 74,624.63/x
3. Step 3: Cross multiply
   36,309.94x = 74,624.63 × 74,624.63
4. Step 4: Simplify right side
   36,309.94x = 5,568,834,656.39
5. Step 5: Solve for x
   x = 5,568,834,656.39/36,309.94
6. Step 6: Final answer
   x = 153,369.44