Finding the Third Proportional to 13,272.47 and 20,011.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,272.47 : 20,011.22 = 20,011.22 : x
2. Step 2: Convert to fraction form
   13,272.47/20,011.22 = 20,011.22/x
3. Step 3: Cross multiply
   13,272.47x = 20,011.22 × 20,011.22
4. Step 4: Simplify right side
   13,272.47x = 400,448,875.86
5. Step 5: Solve for x
   x = 400,448,875.86/13,272.47
6. Step 6: Final answer
   x = 30,171.39