Finding the Third Proportional to 2,126.25 and 3,303.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126.25 : 3,303.28 = 3,303.28 : x
2. Step 2: Convert to fraction form
   2,126.25/3,303.28 = 3,303.28/x
3. Step 3: Cross multiply
   2,126.25x = 3,303.28 × 3,303.28
4. Step 4: Simplify right side
   2,126.25x = 10,911,667.02
5. Step 5: Solve for x
   x = 10,911,667.02/2,126.25
6. Step 6: Final answer
   x = 5,131.88