Finding the Third Proportional to 13,251.75 and 20,492.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,251.75 : 20,492.25 = 20,492.25 : x
2. Step 2: Convert to fraction form
   13,251.75/20,492.25 = 20,492.25/x
3. Step 3: Cross multiply
   13,251.75x = 20,492.25 × 20,492.25
4. Step 4: Simplify right side
   13,251.75x = 419,932,310.06
5. Step 5: Solve for x
   x = 419,932,310.06/13,251.75
6. Step 6: Final answer
   x = 31,688.82