Finding the Third Proportional to 60,456 and 131,742

Step by Step Solution

1. Step 1: Write the proportion equation
   60,456 : 131,742 = 131,742 : x
2. Step 2: Convert to fraction form
   60,456/131,742 = 131,742/x
3. Step 3: Cross multiply
   60,456x = 131,742 × 131,742
4. Step 4: Simplify right side
   60,456x = 17,355,954,564
5. Step 5: Solve for x
   x = 17,355,954,564/60,456
6. Step 6: Final answer
   x = 287,084.07