Finding the Third Proportional to 12,874.31 and 27,132.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,874.31 : 27,132.56 = 27,132.56 : x
2. Step 2: Convert to fraction form
   12,874.31/27,132.56 = 27,132.56/x
3. Step 3: Cross multiply
   12,874.31x = 27,132.56 × 27,132.56
4. Step 4: Simplify right side
   12,874.31x = 736,175,947.82
5. Step 5: Solve for x
   x = 736,175,947.82/12,874.31
6. Step 6: Final answer
   x = 57,181.77