Finding the Third Proportional to 17,869 and 31,817

Step by Step Solution

1. Step 1: Write the proportion equation
   17,869 : 31,817 = 31,817 : x
2. Step 2: Convert to fraction form
   17,869/31,817 = 31,817/x
3. Step 3: Cross multiply
   17,869x = 31,817 × 31,817
4. Step 4: Simplify right side
   17,869x = 1,012,321,489
5. Step 5: Solve for x
   x = 1,012,321,489/17,869
6. Step 6: Final answer
   x = 56,652.39