Finding the Third Proportional to 25,435 and 56,042

Step by Step Solution

1. Step 1: Write the proportion equation
   25,435 : 56,042 = 56,042 : x
2. Step 2: Convert to fraction form
   25,435/56,042 = 56,042/x
3. Step 3: Cross multiply
   25,435x = 56,042 × 56,042
4. Step 4: Simplify right side
   25,435x = 3,140,705,764
5. Step 5: Solve for x
   x = 3,140,705,764/25,435
6. Step 6: Final answer
   x = 123,479.68