Finding the Third Proportional to 12,886 and 28,230

Step by Step Solution

1. Step 1: Write the proportion equation
   12,886 : 28,230 = 28,230 : x
2. Step 2: Convert to fraction form
   12,886/28,230 = 28,230/x
3. Step 3: Cross multiply
   12,886x = 28,230 × 28,230
4. Step 4: Simplify right side
   12,886x = 796,932,900
5. Step 5: Solve for x
   x = 796,932,900/12,886
6. Step 6: Final answer
   x = 61,844.86