Finding the Third Proportional to 43,467.50 and 65,811

Step by Step Solution

1. Step 1: Write the proportion equation
   43,467.50 : 65,811 = 65,811 : x
2. Step 2: Convert to fraction form
   43,467.50/65,811 = 65,811/x
3. Step 3: Cross multiply
   43,467.50x = 65,811 × 65,811
4. Step 4: Simplify right side
   43,467.50x = 4,331,087,721
5. Step 5: Solve for x
   x = 4,331,087,721/43,467.50
6. Step 6: Final answer
   x = 99,639.68