Finding the Third Proportional to 7,161.75 and 10,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,161.75 : 10,867.50 = 10,867.50 : x
2. Step 2: Convert to fraction form
   7,161.75/10,867.50 = 10,867.50/x
3. Step 3: Cross multiply
   7,161.75x = 10,867.50 × 10,867.50
4. Step 4: Simplify right side
   7,161.75x = 118,102,556.25
5. Step 5: Solve for x
   x = 118,102,556.25/7,161.75
6. Step 6: Final answer
   x = 16,490.74