Finding the Third Proportional to 2,828.82 and 4,156.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828.82 : 4,156.63 = 4,156.63 : x
2. Step 2: Convert to fraction form
   2,828.82/4,156.63 = 4,156.63/x
3. Step 3: Cross multiply
   2,828.82x = 4,156.63 × 4,156.63
4. Step 4: Simplify right side
   2,828.82x = 17,277,563.86
5. Step 5: Solve for x
   x = 17,277,563.86/2,828.82
6. Step 6: Final answer
   x = 6,107.69