Finding the Third Proportional to 17,121 and 23,085

Step by Step Solution

1. Step 1: Write the proportion equation
   17,121 : 23,085 = 23,085 : x
2. Step 2: Convert to fraction form
   17,121/23,085 = 23,085/x
3. Step 3: Cross multiply
   17,121x = 23,085 × 23,085
4. Step 4: Simplify right side
   17,121x = 532,917,225
5. Step 5: Solve for x
   x = 532,917,225/17,121
6. Step 6: Final answer
   x = 31,126.52