Finding the Third Proportional to 17,857.50 and 23,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,857.50 : 23,485.50 = 23,485.50 : x
2. Step 2: Convert to fraction form
   17,857.50/23,485.50 = 23,485.50/x
3. Step 3: Cross multiply
   17,857.50x = 23,485.50 × 23,485.50
4. Step 4: Simplify right side
   17,857.50x = 551,568,710.25
5. Step 5: Solve for x
   x = 551,568,710.25/17,857.50
6. Step 6: Final answer
   x = 30,887.23