Finding the Third Proportional to 13,494.38 and 21,121.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,494.38 : 21,121.88 = 21,121.88 : x
2. Step 2: Convert to fraction form
   13,494.38/21,121.88 = 21,121.88/x
3. Step 3: Cross multiply
   13,494.38x = 21,121.88 × 21,121.88
4. Step 4: Simplify right side
   13,494.38x = 446,133,603.52
5. Step 5: Solve for x
   x = 446,133,603.52/13,494.38
6. Step 6: Final answer
   x = 33,060.71