Finding the Third Proportional to 7,306.50 and 12,315.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,306.50 : 12,315.75 = 12,315.75 : x
2. Step 2: Convert to fraction form
   7,306.50/12,315.75 = 12,315.75/x
3. Step 3: Cross multiply
   7,306.50x = 12,315.75 × 12,315.75
4. Step 4: Simplify right side
   7,306.50x = 151,677,698.06
5. Step 5: Solve for x
   x = 151,677,698.06/7,306.50
6. Step 6: Final answer
   x = 20,759.28