Finding the Third Proportional to 21,167 and 31,119

Step by Step Solution

1. Step 1: Write the proportion equation
   21,167 : 31,119 = 31,119 : x
2. Step 2: Convert to fraction form
   21,167/31,119 = 31,119/x
3. Step 3: Cross multiply
   21,167x = 31,119 × 31,119
4. Step 4: Simplify right side
   21,167x = 968,392,161
5. Step 5: Solve for x
   x = 968,392,161/21,167
6. Step 6: Final answer
   x = 45,750.09