Finding the Third Proportional to 549 and 1,301.25

Step by Step Solution

1. Step 1: Write the proportion equation
   549 : 1,301.25 = 1,301.25 : x
2. Step 2: Convert to fraction form
   549/1,301.25 = 1,301.25/x
3. Step 3: Cross multiply
   549x = 1,301.25 × 1,301.25
4. Step 4: Simplify right side
   549x = 1,693,251.56
5. Step 5: Solve for x
   x = 1,693,251.56/549
6. Step 6: Final answer
   x = 3,084.25