Finding the Third Proportional to 12,291 and 16,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,291 : 16,492.50 = 16,492.50 : x
2. Step 2: Convert to fraction form
   12,291/16,492.50 = 16,492.50/x
3. Step 3: Cross multiply
   12,291x = 16,492.50 × 16,492.50
4. Step 4: Simplify right side
   12,291x = 272,002,556.25
5. Step 5: Solve for x
   x = 272,002,556.25/12,291
6. Step 6: Final answer
   x = 22,130.22