Finding the Third Proportional to 9,811.75 and 14,012.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,811.75 : 14,012.69 = 14,012.69 : x
2. Step 2: Convert to fraction form
   9,811.75/14,012.69 = 14,012.69/x
3. Step 3: Cross multiply
   9,811.75x = 14,012.69 × 14,012.69
4. Step 4: Simplify right side
   9,811.75x = 196,355,410.97
5. Step 5: Solve for x
   x = 196,355,410.97/9,811.75
6. Step 6: Final answer
   x = 20,012.27