Finding the Third Proportional to 25,818 and 56,556

Step by Step Solution

1. Step 1: Write the proportion equation
   25,818 : 56,556 = 56,556 : x
2. Step 2: Convert to fraction form
   25,818/56,556 = 56,556/x
3. Step 3: Cross multiply
   25,818x = 56,556 × 56,556
4. Step 4: Simplify right side
   25,818x = 3,198,581,136
5. Step 5: Solve for x
   x = 3,198,581,136/25,818
6. Step 6: Final answer
   x = 123,889.58