Finding the Third Proportional to 2,259 and 3,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259 : 3,412.50 = 3,412.50 : x
2. Step 2: Convert to fraction form
   2,259/3,412.50 = 3,412.50/x
3. Step 3: Cross multiply
   2,259x = 3,412.50 × 3,412.50
4. Step 4: Simplify right side
   2,259x = 11,645,156.25
5. Step 5: Solve for x
   x = 11,645,156.25/2,259
6. Step 6: Final answer
   x = 5,155.00