Finding the Third Proportional to 1,215.84 and 2,476.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215.84 : 2,476.27 = 2,476.27 : x
2. Step 2: Convert to fraction form
   1,215.84/2,476.27 = 2,476.27/x
3. Step 3: Cross multiply
   1,215.84x = 2,476.27 × 2,476.27
4. Step 4: Simplify right side
   1,215.84x = 6,131,891.45
5. Step 5: Solve for x
   x = 6,131,891.45/1,215.84
6. Step 6: Final answer
   x = 5,043.32