Finding the Third Proportional to 2,912.25 and 4,116.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912.25 : 4,116.75 = 4,116.75 : x
2. Step 2: Convert to fraction form
   2,912.25/4,116.75 = 4,116.75/x
3. Step 3: Cross multiply
   2,912.25x = 4,116.75 × 4,116.75
4. Step 4: Simplify right side
   2,912.25x = 16,947,630.56
5. Step 5: Solve for x
   x = 16,947,630.56/2,912.25
6. Step 6: Final answer
   x = 5,819.43