Finding the Third Proportional to 25,443 and 55,412

Step by Step Solution

1. Step 1: Write the proportion equation
   25,443 : 55,412 = 55,412 : x
2. Step 2: Convert to fraction form
   25,443/55,412 = 55,412/x
3. Step 3: Cross multiply
   25,443x = 55,412 × 55,412
4. Step 4: Simplify right side
   25,443x = 3,070,489,744
5. Step 5: Solve for x
   x = 3,070,489,744/25,443
6. Step 6: Final answer
   x = 120,681.12