Finding the Third Proportional to 17,310 and 23,121

Step by Step Solution

1. Step 1: Write the proportion equation
   17,310 : 23,121 = 23,121 : x
2. Step 2: Convert to fraction form
   17,310/23,121 = 23,121/x
3. Step 3: Cross multiply
   17,310x = 23,121 × 23,121
4. Step 4: Simplify right side
   17,310x = 534,580,641
5. Step 5: Solve for x
   x = 534,580,641/17,310
6. Step 6: Final answer
   x = 30,882.76