Finding the Third Proportional to 13,888 and 30,479

Step by Step Solution

1. Step 1: Write the proportion equation
   13,888 : 30,479 = 30,479 : x
2. Step 2: Convert to fraction form
   13,888/30,479 = 30,479/x
3. Step 3: Cross multiply
   13,888x = 30,479 × 30,479
4. Step 4: Simplify right side
   13,888x = 928,969,441
5. Step 5: Solve for x
   x = 928,969,441/13,888
6. Step 6: Final answer
   x = 66,890.08