Finding the Third Proportional to 13,830 and 28,308

Step by Step Solution

1. Step 1: Write the proportion equation
   13,830 : 28,308 = 28,308 : x
2. Step 2: Convert to fraction form
   13,830/28,308 = 28,308/x
3. Step 3: Cross multiply
   13,830x = 28,308 × 28,308
4. Step 4: Simplify right side
   13,830x = 801,342,864
5. Step 5: Solve for x
   x = 801,342,864/13,830
6. Step 6: Final answer
   x = 57,942.36