Finding the Third Proportional to 25,434 and 55,423

Step by Step Solution

1. Step 1: Write the proportion equation
   25,434 : 55,423 = 55,423 : x
2. Step 2: Convert to fraction form
   25,434/55,423 = 55,423/x
3. Step 3: Cross multiply
   25,434x = 55,423 × 55,423
4. Step 4: Simplify right side
   25,434x = 3,071,708,929
5. Step 5: Solve for x
   x = 3,071,708,929/25,434
6. Step 6: Final answer
   x = 120,771.76