Finding the Third Proportional to 2,803.78 and 4,151.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,803.78 : 4,151.46 = 4,151.46 : x
2. Step 2: Convert to fraction form
   2,803.78/4,151.46 = 4,151.46/x
3. Step 3: Cross multiply
   2,803.78x = 4,151.46 × 4,151.46
4. Step 4: Simplify right side
   2,803.78x = 17,234,627.92
5. Step 5: Solve for x
   x = 17,234,627.92/2,803.78
6. Step 6: Final answer
   x = 6,146.92