Finding the Third Proportional to 25,940 and 57,928

Step by Step Solution

1. Step 1: Write the proportion equation
   25,940 : 57,928 = 57,928 : x
2. Step 2: Convert to fraction form
   25,940/57,928 = 57,928/x
3. Step 3: Cross multiply
   25,940x = 57,928 × 57,928
4. Step 4: Simplify right side
   25,940x = 3,355,653,184
5. Step 5: Solve for x
   x = 3,355,653,184/25,940
6. Step 6: Final answer
   x = 129,362.11