Finding the Third Proportional to 25,398 and 58,789

Step by Step Solution

1. Step 1: Write the proportion equation
   25,398 : 58,789 = 58,789 : x
2. Step 2: Convert to fraction form
   25,398/58,789 = 58,789/x
3. Step 3: Cross multiply
   25,398x = 58,789 × 58,789
4. Step 4: Simplify right side
   25,398x = 3,456,146,521
5. Step 5: Solve for x
   x = 3,456,146,521/25,398
6. Step 6: Final answer
   x = 136,079.48