Finding the Third Proportional to 13,572.35 and 20,762.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,572.35 : 20,762.16 = 20,762.16 : x
2. Step 2: Convert to fraction form
   13,572.35/20,762.16 = 20,762.16/x
3. Step 3: Cross multiply
   13,572.35x = 20,762.16 × 20,762.16
4. Step 4: Simplify right side
   13,572.35x = 431,067,132.15
5. Step 5: Solve for x
   x = 431,067,132.15/13,572.35
6. Step 6: Final answer
   x = 31,760.68