Finding the Third Proportional to 19,765.69 and 31,408.17

Step by Step Solution

1. Step 1: Write the proportion equation
   19,765.69 : 31,408.17 = 31,408.17 : x
2. Step 2: Convert to fraction form
   19,765.69/31,408.17 = 31,408.17/x
3. Step 3: Cross multiply
   19,765.69x = 31,408.17 × 31,408.17
4. Step 4: Simplify right side
   19,765.69x = 986,473,260.53
5. Step 5: Solve for x
   x = 986,473,260.53/19,765.69
6. Step 6: Final answer
   x = 49,908.37