Finding the Third Proportional to 2,720.63 and 5,966.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,720.63 : 5,966.63 = 5,966.63 : x
2. Step 2: Convert to fraction form
   2,720.63/5,966.63 = 5,966.63/x
3. Step 3: Cross multiply
   2,720.63x = 5,966.63 × 5,966.63
4. Step 4: Simplify right side
   2,720.63x = 35,600,613.89
5. Step 5: Solve for x
   x = 35,600,613.89/2,720.63
6. Step 6: Final answer
   x = 13,085.45