Finding the Third Proportional to 78,764 and 116,910

Step by Step Solution

1. Step 1: Write the proportion equation
   78,764 : 116,910 = 116,910 : x
2. Step 2: Convert to fraction form
   78,764/116,910 = 116,910/x
3. Step 3: Cross multiply
   78,764x = 116,910 × 116,910
4. Step 4: Simplify right side
   78,764x = 13,667,948,100
5. Step 5: Solve for x
   x = 13,667,948,100/78,764
6. Step 6: Final answer
   x = 173,530.40