Finding the Third Proportional to 17,816 and 31,888

Step by Step Solution

1. Step 1: Write the proportion equation
   17,816 : 31,888 = 31,888 : x
2. Step 2: Convert to fraction form
   17,816/31,888 = 31,888/x
3. Step 3: Cross multiply
   17,816x = 31,888 × 31,888
4. Step 4: Simplify right side
   17,816x = 1,016,844,544
5. Step 5: Solve for x
   x = 1,016,844,544/17,816
6. Step 6: Final answer
   x = 57,074.79