Finding the Third Proportional to 78,785 and 116,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,785 : 116,940.50 = 116,940.50 : x
2. Step 2: Convert to fraction form
   78,785/116,940.50 = 116,940.50/x
3. Step 3: Cross multiply
   78,785x = 116,940.50 × 116,940.50
4. Step 4: Simplify right side
   78,785x = 13,675,080,540.25
5. Step 5: Solve for x
   x = 13,675,080,540.25/78,785
6. Step 6: Final answer
   x = 173,574.67