Finding the Third Proportional to 6,776 and 12,148

Step by Step Solution

1. Step 1: Write the proportion equation
   6,776 : 12,148 = 12,148 : x
2. Step 2: Convert to fraction form
   6,776/12,148 = 12,148/x
3. Step 3: Cross multiply
   6,776x = 12,148 × 12,148
4. Step 4: Simplify right side
   6,776x = 147,573,904
5. Step 5: Solve for x
   x = 147,573,904/6,776
6. Step 6: Final answer
   x = 21,778.91