Finding the Third Proportional to 7,687.41 and 12,225.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,687.41 : 12,225.94 = 12,225.94 : x
2. Step 2: Convert to fraction form
   7,687.41/12,225.94 = 12,225.94/x
3. Step 3: Cross multiply
   7,687.41x = 12,225.94 × 12,225.94
4. Step 4: Simplify right side
   7,687.41x = 149,473,547.75
5. Step 5: Solve for x
   x = 149,473,547.75/7,687.41
6. Step 6: Final answer
   x = 19,443.95