Finding the Third Proportional to 13,530.38 and 18,432.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,530.38 : 18,432.56 = 18,432.56 : x
2. Step 2: Convert to fraction form
   13,530.38/18,432.56 = 18,432.56/x
3. Step 3: Cross multiply
   13,530.38x = 18,432.56 × 18,432.56
4. Step 4: Simplify right side
   13,530.38x = 339,759,360.32
5. Step 5: Solve for x
   x = 339,759,360.32/13,530.38
6. Step 6: Final answer
   x = 25,110.86