Finding the Third Proportional to 90,718.50 and 144,096

Step by Step Solution

1. Step 1: Write the proportion equation
   90,718.50 : 144,096 = 144,096 : x
2. Step 2: Convert to fraction form
   90,718.50/144,096 = 144,096/x
3. Step 3: Cross multiply
   90,718.50x = 144,096 × 144,096
4. Step 4: Simplify right side
   90,718.50x = 20,763,657,216
5. Step 5: Solve for x
   x = 20,763,657,216/90,718.50
6. Step 6: Final answer
   x = 228,880.08