Finding the Third Proportional to 13,330 and 28,678

Step by Step Solution

1. Step 1: Write the proportion equation
   13,330 : 28,678 = 28,678 : x
2. Step 2: Convert to fraction form
   13,330/28,678 = 28,678/x
3. Step 3: Cross multiply
   13,330x = 28,678 × 28,678
4. Step 4: Simplify right side
   13,330x = 822,427,684
5. Step 5: Solve for x
   x = 822,427,684/13,330
6. Step 6: Final answer
   x = 61,697.50