Finding the Third Proportional to 78,765.75 and 116,913.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,765.75 : 116,913.38 = 116,913.38 : x
2. Step 2: Convert to fraction form
   78,765.75/116,913.38 = 116,913.38/x
3. Step 3: Cross multiply
   78,765.75x = 116,913.38 × 116,913.38
4. Step 4: Simplify right side
   78,765.75x = 13,668,737,253.89
5. Step 5: Solve for x
   x = 13,668,737,253.89/78,765.75
6. Step 6: Final answer
   x = 173,536.56