Finding the Third Proportional to 25,790 and 55,789

Step by Step Solution

1. Step 1: Write the proportion equation
   25,790 : 55,789 = 55,789 : x
2. Step 2: Convert to fraction form
   25,790/55,789 = 55,789/x
3. Step 3: Cross multiply
   25,790x = 55,789 × 55,789
4. Step 4: Simplify right side
   25,790x = 3,112,412,521
5. Step 5: Solve for x
   x = 3,112,412,521/25,790
6. Step 6: Final answer
   x = 120,682.92