Finding the Third Proportional to 2,130.68 and 3,253.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130.68 : 3,253.92 = 3,253.92 : x
2. Step 2: Convert to fraction form
   2,130.68/3,253.92 = 3,253.92/x
3. Step 3: Cross multiply
   2,130.68x = 3,253.92 × 3,253.92
4. Step 4: Simplify right side
   2,130.68x = 10,588,007.57
5. Step 5: Solve for x
   x = 10,588,007.57/2,130.68
6. Step 6: Final answer
   x = 4,969.31