Finding the Third Proportional to 2,359.76 and 3,153.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.76 : 3,153.30 = 3,153.30 : x
2. Step 2: Convert to fraction form
   2,359.76/3,153.30 = 3,153.30/x
3. Step 3: Cross multiply
   2,359.76x = 3,153.30 × 3,153.30
4. Step 4: Simplify right side
   2,359.76x = 9,943,330.45
5. Step 5: Solve for x
   x = 9,943,330.45/2,359.76
6. Step 6: Final answer
   x = 4,213.71