Finding the Third Proportional to 17,156 and 23,172

Step by Step Solution

1. Step 1: Write the proportion equation
   17,156 : 23,172 = 23,172 : x
2. Step 2: Convert to fraction form
   17,156/23,172 = 23,172/x
3. Step 3: Cross multiply
   17,156x = 23,172 × 23,172
4. Step 4: Simplify right side
   17,156x = 536,941,584
5. Step 5: Solve for x
   x = 536,941,584/17,156
6. Step 6: Final answer
   x = 31,297.60