Finding the Third Proportional to 11,945.81 and 16,712.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,945.81 : 16,712.16 = 16,712.16 : x
2. Step 2: Convert to fraction form
   11,945.81/16,712.16 = 16,712.16/x
3. Step 3: Cross multiply
   11,945.81x = 16,712.16 × 16,712.16
4. Step 4: Simplify right side
   11,945.81x = 279,296,166.52
5. Step 5: Solve for x
   x = 279,296,166.52/11,945.81
6. Step 6: Final answer
   x = 23,380.26