Finding the Third Proportional to 12,939.75 and 26,327.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,939.75 : 26,327.53 = 26,327.53 : x
2. Step 2: Convert to fraction form
   12,939.75/26,327.53 = 26,327.53/x
3. Step 3: Cross multiply
   12,939.75x = 26,327.53 × 26,327.53
4. Step 4: Simplify right side
   12,939.75x = 693,138,901.72
5. Step 5: Solve for x
   x = 693,138,901.72/12,939.75
6. Step 6: Final answer
   x = 53,566.64