Finding the Third Proportional to 34,789 and 75,789

Step by Step Solution

1. Step 1: Write the proportion equation
   34,789 : 75,789 = 75,789 : x
2. Step 2: Convert to fraction form
   34,789/75,789 = 75,789/x
3. Step 3: Cross multiply
   34,789x = 75,789 × 75,789
4. Step 4: Simplify right side
   34,789x = 5,743,972,521
5. Step 5: Solve for x
   x = 5,743,972,521/34,789
6. Step 6: Final answer
   x = 165,108.87