Finding the Third Proportional to 11,109.25 and 15,624.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,109.25 : 15,624.38 = 15,624.38 : x
2. Step 2: Convert to fraction form
   11,109.25/15,624.38 = 15,624.38/x
3. Step 3: Cross multiply
   11,109.25x = 15,624.38 × 15,624.38
4. Step 4: Simplify right side
   11,109.25x = 244,121,094.14
5. Step 5: Solve for x
   x = 244,121,094.14/11,109.25
6. Step 6: Final answer
   x = 21,974.58