Finding the Third Proportional to 31,800 and 43,164

Step by Step Solution

1. Step 1: Write the proportion equation
   31,800 : 43,164 = 43,164 : x
2. Step 2: Convert to fraction form
   31,800/43,164 = 43,164/x
3. Step 3: Cross multiply
   31,800x = 43,164 × 43,164
4. Step 4: Simplify right side
   31,800x = 1,863,130,896
5. Step 5: Solve for x
   x = 1,863,130,896/31,800
6. Step 6: Final answer
   x = 58,589.02