Finding the Third Proportional to 66,460.50 and 89,667

Step by Step Solution

1. Step 1: Write the proportion equation
   66,460.50 : 89,667 = 89,667 : x
2. Step 2: Convert to fraction form
   66,460.50/89,667 = 89,667/x
3. Step 3: Cross multiply
   66,460.50x = 89,667 × 89,667
4. Step 4: Simplify right side
   66,460.50x = 8,040,170,889
5. Step 5: Solve for x
   x = 8,040,170,889/66,460.50
6. Step 6: Final answer
   x = 120,976.68