Finding the Third Proportional to 63,960 and 89,466

Step by Step Solution

1. Step 1: Write the proportion equation
   63,960 : 89,466 = 89,466 : x
2. Step 2: Convert to fraction form
   63,960/89,466 = 89,466/x
3. Step 3: Cross multiply
   63,960x = 89,466 × 89,466
4. Step 4: Simplify right side
   63,960x = 8,004,165,156
5. Step 5: Solve for x
   x = 8,004,165,156/63,960
6. Step 6: Final answer
   x = 125,143.30