Finding the Third Proportional to 13,656.50 and 20,849.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,656.50 : 20,849.25 = 20,849.25 : x
2. Step 2: Convert to fraction form
   13,656.50/20,849.25 = 20,849.25/x
3. Step 3: Cross multiply
   13,656.50x = 20,849.25 × 20,849.25
4. Step 4: Simplify right side
   13,656.50x = 434,691,225.56
5. Step 5: Solve for x
   x = 434,691,225.56/13,656.50
6. Step 6: Final answer
   x = 31,830.35