Finding the Third Proportional to 25,911 and 56,502

Step by Step Solution

1. Step 1: Write the proportion equation
   25,911 : 56,502 = 56,502 : x
2. Step 2: Convert to fraction form
   25,911/56,502 = 56,502/x
3. Step 3: Cross multiply
   25,911x = 56,502 × 56,502
4. Step 4: Simplify right side
   25,911x = 3,192,476,004
5. Step 5: Solve for x
   x = 3,192,476,004/25,911
6. Step 6: Final answer
   x = 123,209.29