Finding the Third Proportional to 12,243 and 19,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,243 : 19,013.50 = 19,013.50 : x
2. Step 2: Convert to fraction form
   12,243/19,013.50 = 19,013.50/x
3. Step 3: Cross multiply
   12,243x = 19,013.50 × 19,013.50
4. Step 4: Simplify right side
   12,243x = 361,513,182.25
5. Step 5: Solve for x
   x = 361,513,182.25/12,243
6. Step 6: Final answer
   x = 29,528.15