Finding the Third Proportional to 57,940.31 and 89,667

Step by Step Solution

1. Step 1: Write the proportion equation
   57,940.31 : 89,667 = 89,667 : x
2. Step 2: Convert to fraction form
   57,940.31/89,667 = 89,667/x
3. Step 3: Cross multiply
   57,940.31x = 89,667 × 89,667
4. Step 4: Simplify right side
   57,940.31x = 8,040,170,889
5. Step 5: Solve for x
   x = 8,040,170,889/57,940.31
6. Step 6: Final answer
   x = 138,766.44