Finding the Third Proportional to 1,306 and 3,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306 : 3,017.50 = 3,017.50 : x
2. Step 2: Convert to fraction form
   1,306/3,017.50 = 3,017.50/x
3. Step 3: Cross multiply
   1,306x = 3,017.50 × 3,017.50
4. Step 4: Simplify right side
   1,306x = 9,105,306.25
5. Step 5: Solve for x
   x = 9,105,306.25/1,306
6. Step 6: Final answer
   x = 6,971.90