Finding the Third Proportional to 17,640 and 23,972

Step by Step Solution

1. Step 1: Write the proportion equation
   17,640 : 23,972 = 23,972 : x
2. Step 2: Convert to fraction form
   17,640/23,972 = 23,972/x
3. Step 3: Cross multiply
   17,640x = 23,972 × 23,972
4. Step 4: Simplify right side
   17,640x = 574,656,784
5. Step 5: Solve for x
   x = 574,656,784/17,640
6. Step 6: Final answer
   x = 32,576.92