Finding the Third Proportional to 13,398 and 28,740

Step by Step Solution

1. Step 1: Write the proportion equation
   13,398 : 28,740 = 28,740 : x
2. Step 2: Convert to fraction form
   13,398/28,740 = 28,740/x
3. Step 3: Cross multiply
   13,398x = 28,740 × 28,740
4. Step 4: Simplify right side
   13,398x = 825,987,600
5. Step 5: Solve for x
   x = 825,987,600/13,398
6. Step 6: Final answer
   x = 61,650.07