Finding the Third Proportional to 17,670 and 20,181

Step by Step Solution

1. Step 1: Write the proportion equation
   17,670 : 20,181 = 20,181 : x
2. Step 2: Convert to fraction form
   17,670/20,181 = 20,181/x
3. Step 3: Cross multiply
   17,670x = 20,181 × 20,181
4. Step 4: Simplify right side
   17,670x = 407,272,761
5. Step 5: Solve for x
   x = 407,272,761/17,670
6. Step 6: Final answer
   x = 23,048.83