Finding the Third Proportional to 13,209.75 and 19,234.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,209.75 : 19,234.13 = 19,234.13 : x
2. Step 2: Convert to fraction form
   13,209.75/19,234.13 = 19,234.13/x
3. Step 3: Cross multiply
   13,209.75x = 19,234.13 × 19,234.13
4. Step 4: Simplify right side
   13,209.75x = 369,951,564.52
5. Step 5: Solve for x
   x = 369,951,564.52/13,209.75
6. Step 6: Final answer
   x = 28,005.95