Finding the Third Proportional to 25,679 and 56,392

Step by Step Solution

1. Step 1: Write the proportion equation
   25,679 : 56,392 = 56,392 : x
2. Step 2: Convert to fraction form
   25,679/56,392 = 56,392/x
3. Step 3: Cross multiply
   25,679x = 56,392 × 56,392
4. Step 4: Simplify right side
   25,679x = 3,180,057,664
5. Step 5: Solve for x
   x = 3,180,057,664/25,679
6. Step 6: Final answer
   x = 123,838.84