Finding the Third Proportional to 25,870 and 39,556.75

Step by Step Solution

1. Step 1: Write the proportion equation
   25,870 : 39,556.75 = 39,556.75 : x
2. Step 2: Convert to fraction form
   25,870/39,556.75 = 39,556.75/x
3. Step 3: Cross multiply
   25,870x = 39,556.75 × 39,556.75
4. Step 4: Simplify right side
   25,870x = 1,564,736,470.56
5. Step 5: Solve for x
   x = 1,564,736,470.56/25,870
6. Step 6: Final answer
   x = 60,484.59