Finding the Third Proportional to 28,942 and 58,689

Step by Step Solution

1. Step 1: Write the proportion equation
   28,942 : 58,689 = 58,689 : x
2. Step 2: Convert to fraction form
   28,942/58,689 = 58,689/x
3. Step 3: Cross multiply
   28,942x = 58,689 × 58,689
4. Step 4: Simplify right side
   28,942x = 3,444,398,721
5. Step 5: Solve for x
   x = 3,444,398,721/28,942
6. Step 6: Final answer
   x = 119,010.39