Finding the Third Proportional to 1,216.69 and 2,849.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216.69 : 2,849.34 = 2,849.34 : x
2. Step 2: Convert to fraction form
   1,216.69/2,849.34 = 2,849.34/x
3. Step 3: Cross multiply
   1,216.69x = 2,849.34 × 2,849.34
4. Step 4: Simplify right side
   1,216.69x = 8,118,759.81
5. Step 5: Solve for x
   x = 8,118,759.81/1,216.69
6. Step 6: Final answer
   x = 6,672.84