Finding the Third Proportional to 5,128.50 and 7,333.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,128.50 : 7,333.88 = 7,333.88 : x
2. Step 2: Convert to fraction form
   5,128.50/7,333.88 = 7,333.88/x
3. Step 3: Cross multiply
   5,128.50x = 7,333.88 × 7,333.88
4. Step 4: Simplify right side
   5,128.50x = 53,785,722.52
5. Step 5: Solve for x
   x = 53,785,722.52/5,128.50
6. Step 6: Final answer
   x = 10,487.61