Finding the Third Proportional to 11,556 and 18,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,556 : 18,367.50 = 18,367.50 : x
2. Step 2: Convert to fraction form
   11,556/18,367.50 = 18,367.50/x
3. Step 3: Cross multiply
   11,556x = 18,367.50 × 18,367.50
4. Step 4: Simplify right side
   11,556x = 337,365,056.25
5. Step 5: Solve for x
   x = 337,365,056.25/11,556
6. Step 6: Final answer
   x = 29,193.93