Finding the Third Proportional to 13,507.50 and 20,447.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,507.50 : 20,447.25 = 20,447.25 : x
2. Step 2: Convert to fraction form
   13,507.50/20,447.25 = 20,447.25/x
3. Step 3: Cross multiply
   13,507.50x = 20,447.25 × 20,447.25
4. Step 4: Simplify right side
   13,507.50x = 418,090,032.56
5. Step 5: Solve for x
   x = 418,090,032.56/13,507.50
6. Step 6: Final answer
   x = 30,952.44