Finding the Third Proportional to 9,992.75 and 14,436.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.75 : 14,436.56 = 14,436.56 : x
2. Step 2: Convert to fraction form
   9,992.75/14,436.56 = 14,436.56/x
3. Step 3: Cross multiply
   9,992.75x = 14,436.56 × 14,436.56
4. Step 4: Simplify right side
   9,992.75x = 208,414,336.82
5. Step 5: Solve for x
   x = 208,414,336.82/9,992.75
6. Step 6: Final answer
   x = 20,856.55