Finding the Third Proportional to 63,310.50 and 135,096

Step by Step Solution

1. Step 1: Write the proportion equation
   63,310.50 : 135,096 = 135,096 : x
2. Step 2: Convert to fraction form
   63,310.50/135,096 = 135,096/x
3. Step 3: Cross multiply
   63,310.50x = 135,096 × 135,096
4. Step 4: Simplify right side
   63,310.50x = 18,250,929,216
5. Step 5: Solve for x
   x = 18,250,929,216/63,310.50
6. Step 6: Final answer
   x = 288,276.50