Finding the Third Proportional to 13,293 and 20,405.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,293 : 20,405.25 = 20,405.25 : x
2. Step 2: Convert to fraction form
   13,293/20,405.25 = 20,405.25/x
3. Step 3: Cross multiply
   13,293x = 20,405.25 × 20,405.25
4. Step 4: Simplify right side
   13,293x = 416,374,227.56
5. Step 5: Solve for x
   x = 416,374,227.56/13,293
6. Step 6: Final answer
   x = 31,322.82