Finding the Third Proportional to 31,167 and 42,581.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,167 : 42,581.25 = 42,581.25 : x
2. Step 2: Convert to fraction form
   31,167/42,581.25 = 42,581.25/x
3. Step 3: Cross multiply
   31,167x = 42,581.25 × 42,581.25
4. Step 4: Simplify right side
   31,167x = 1,813,162,851.56
5. Step 5: Solve for x
   x = 1,813,162,851.56/31,167
6. Step 6: Final answer
   x = 58,175.73