Finding the Third Proportional to 11,212.59 and 15,234.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,212.59 : 15,234.33 = 15,234.33 : x
2. Step 2: Convert to fraction form
   11,212.59/15,234.33 = 15,234.33/x
3. Step 3: Cross multiply
   11,212.59x = 15,234.33 × 15,234.33
4. Step 4: Simplify right side
   11,212.59x = 232,084,753.42
5. Step 5: Solve for x
   x = 232,084,753.42/11,212.59
6. Step 6: Final answer
   x = 20,698.58