Finding the Third Proportional to 12,876.75 and 27,857.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,876.75 : 27,857.25 = 27,857.25 : x
2. Step 2: Convert to fraction form
   12,876.75/27,857.25 = 27,857.25/x
3. Step 3: Cross multiply
   12,876.75x = 27,857.25 × 27,857.25
4. Step 4: Simplify right side
   12,876.75x = 776,026,377.56
5. Step 5: Solve for x
   x = 776,026,377.56/12,876.75
6. Step 6: Final answer
   x = 60,265.70