Finding the Third Proportional to 3,112.00 and 6,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112.00 : 6,742.72 = 6,742.72 : x
2. Step 2: Convert to fraction form
   3,112.00/6,742.72 = 6,742.72/x
3. Step 3: Cross multiply
   3,112.00x = 6,742.72 × 6,742.72
4. Step 4: Simplify right side
   3,112.00x = 45,464,308.82
5. Step 5: Solve for x
   x = 45,464,308.82/3,112.00
6. Step 6: Final answer
   x = 14,609.37