Finding the Third Proportional to 13,928 and 30,499

Step by Step Solution

1. Step 1: Write the proportion equation
   13,928 : 30,499 = 30,499 : x
2. Step 2: Convert to fraction form
   13,928/30,499 = 30,499/x
3. Step 3: Cross multiply
   13,928x = 30,499 × 30,499
4. Step 4: Simplify right side
   13,928x = 930,189,001
5. Step 5: Solve for x
   x = 930,189,001/13,928
6. Step 6: Final answer
   x = 66,785.54