Finding the Third Proportional to 12,243.75 and 19,460.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,243.75 : 19,460.25 = 19,460.25 : x
2. Step 2: Convert to fraction form
   12,243.75/19,460.25 = 19,460.25/x
3. Step 3: Cross multiply
   12,243.75x = 19,460.25 × 19,460.25
4. Step 4: Simplify right side
   12,243.75x = 378,701,330.06
5. Step 5: Solve for x
   x = 378,701,330.06/12,243.75
6. Step 6: Final answer
   x = 30,930.17