Finding the Third Proportional to 13,672.55 and 20,020.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,672.55 : 20,020.92 = 20,020.92 : x
2. Step 2: Convert to fraction form
   13,672.55/20,020.92 = 20,020.92/x
3. Step 3: Cross multiply
   13,672.55x = 20,020.92 × 20,020.92
4. Step 4: Simplify right side
   13,672.55x = 400,837,312.72
5. Step 5: Solve for x
   x = 400,837,312.72/13,672.55
6. Step 6: Final answer
   x = 29,316.95