Finding the Third Proportional to 1,245.85 and 2,713.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,245.85 : 2,713.82 = 2,713.82 : x
2. Step 2: Convert to fraction form
   1,245.85/2,713.82 = 2,713.82/x
3. Step 3: Cross multiply
   1,245.85x = 2,713.82 × 2,713.82
4. Step 4: Simplify right side
   1,245.85x = 7,364,799.49
5. Step 5: Solve for x
   x = 7,364,799.49/1,245.85
6. Step 6: Final answer
   x = 5,911.47