Finding the Third Proportional to 17,872 and 23,190

Step by Step Solution

1. Step 1: Write the proportion equation
   17,872 : 23,190 = 23,190 : x
2. Step 2: Convert to fraction form
   17,872/23,190 = 23,190/x
3. Step 3: Cross multiply
   17,872x = 23,190 × 23,190
4. Step 4: Simplify right side
   17,872x = 537,776,100
5. Step 5: Solve for x
   x = 537,776,100/17,872
6. Step 6: Final answer
   x = 30,090.43