Finding the Third Proportional to 20,720.81 and 32,860.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,720.81 : 32,860.69 = 32,860.69 : x
2. Step 2: Convert to fraction form
   20,720.81/32,860.69 = 32,860.69/x
3. Step 3: Cross multiply
   20,720.81x = 32,860.69 × 32,860.69
4. Step 4: Simplify right side
   20,720.81x = 1,079,824,782.97
5. Step 5: Solve for x
   x = 1,079,824,782.97/20,720.81
6. Step 6: Final answer
   x = 52,113.05