Finding the Third Proportional to 19,671.38 and 31,196.44

Step by Step Solution

1. Step 1: Write the proportion equation
   19,671.38 : 31,196.44 = 31,196.44 : x
2. Step 2: Convert to fraction form
   19,671.38/31,196.44 = 31,196.44/x
3. Step 3: Cross multiply
   19,671.38x = 31,196.44 × 31,196.44
4. Step 4: Simplify right side
   19,671.38x = 973,217,712.69
5. Step 5: Solve for x
   x = 973,217,712.69/19,671.38
6. Step 6: Final answer
   x = 49,473.80