Finding the Third Proportional to 13,894 and 19,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,894 : 19,854.50 = 19,854.50 : x
2. Step 2: Convert to fraction form
   13,894/19,854.50 = 19,854.50/x
3. Step 3: Cross multiply
   13,894x = 19,854.50 × 19,854.50
4. Step 4: Simplify right side
   13,894x = 394,201,170.25
5. Step 5: Solve for x
   x = 394,201,170.25/13,894
6. Step 6: Final answer
   x = 28,372.04