Finding the Third Proportional to 20,404.13 and 28,882.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,404.13 : 28,882.69 = 28,882.69 : x
2. Step 2: Convert to fraction form
   20,404.13/28,882.69 = 28,882.69/x
3. Step 3: Cross multiply
   20,404.13x = 28,882.69 × 28,882.69
4. Step 4: Simplify right side
   20,404.13x = 834,209,637.22
5. Step 5: Solve for x
   x = 834,209,637.22/20,404.13
6. Step 6: Final answer
   x = 40,884.36