Finding the Third Proportional to 86,902.88 and 123,960.38

Step by Step Solution

1. Step 1: Write the proportion equation
   86,902.88 : 123,960.38 = 123,960.38 : x
2. Step 2: Convert to fraction form
   86,902.88/123,960.38 = 123,960.38/x
3. Step 3: Cross multiply
   86,902.88x = 123,960.38 × 123,960.38
4. Step 4: Simplify right side
   86,902.88x = 15,366,174,570.14
5. Step 5: Solve for x
   x = 15,366,174,570.14/86,902.88
6. Step 6: Final answer
   x = 176,820.09