Finding the Third Proportional to 28,142.63 and 39,581.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,142.63 : 39,581.25 = 39,581.25 : x
2. Step 2: Convert to fraction form
   28,142.63/39,581.25 = 39,581.25/x
3. Step 3: Cross multiply
   28,142.63x = 39,581.25 × 39,581.25
4. Step 4: Simplify right side
   28,142.63x = 1,566,675,351.56
5. Step 5: Solve for x
   x = 1,566,675,351.56/28,142.63
6. Step 6: Final answer
   x = 55,669.13