Finding the Third Proportional to 74,601.50 and 115,684

Step by Step Solution

1. Step 1: Write the proportion equation
   74,601.50 : 115,684 = 115,684 : x
2. Step 2: Convert to fraction form
   74,601.50/115,684 = 115,684/x
3. Step 3: Cross multiply
   74,601.50x = 115,684 × 115,684
4. Step 4: Simplify right side
   74,601.50x = 13,382,787,856
5. Step 5: Solve for x
   x = 13,382,787,856/74,601.50
6. Step 6: Final answer
   x = 179,390.33