Finding the Third Proportional to 2,656.86 and 5,672.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.86 : 5,672.53 = 5,672.53 : x
2. Step 2: Convert to fraction form
   2,656.86/5,672.53 = 5,672.53/x
3. Step 3: Cross multiply
   2,656.86x = 5,672.53 × 5,672.53
4. Step 4: Simplify right side
   2,656.86x = 32,177,610.78
5. Step 5: Solve for x
   x = 32,177,610.78/2,656.86
6. Step 6: Final answer
   x = 12,111.13