Finding the Third Proportional to 12,831.70 and 17,164.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,831.70 : 17,164.25 = 17,164.25 : x
2. Step 2: Convert to fraction form
   12,831.70/17,164.25 = 17,164.25/x
3. Step 3: Cross multiply
   12,831.70x = 17,164.25 × 17,164.25
4. Step 4: Simplify right side
   12,831.70x = 294,611,411.01
5. Step 5: Solve for x
   x = 294,611,411.01/12,831.70
6. Step 6: Final answer
   x = 22,959.66