Finding the Third Proportional to 13,839.50 and 30,277

Step by Step Solution

1. Step 1: Write the proportion equation
   13,839.50 : 30,277 = 30,277 : x
2. Step 2: Convert to fraction form
   13,839.50/30,277 = 30,277/x
3. Step 3: Cross multiply
   13,839.50x = 30,277 × 30,277
4. Step 4: Simplify right side
   13,839.50x = 916,696,729
5. Step 5: Solve for x
   x = 916,696,729/13,839.50
6. Step 6: Final answer
   x = 66,237.71