Finding the Third Proportional to 31,050 and 43,218

Step by Step Solution

1. Step 1: Write the proportion equation
   31,050 : 43,218 = 43,218 : x
2. Step 2: Convert to fraction form
   31,050/43,218 = 43,218/x
3. Step 3: Cross multiply
   31,050x = 43,218 × 43,218
4. Step 4: Simplify right side
   31,050x = 1,867,795,524
5. Step 5: Solve for x
   x = 1,867,795,524/31,050
6. Step 6: Final answer
   x = 60,154.45