Finding the Third Proportional to 28,291 and 58,905

Step by Step Solution

1. Step 1: Write the proportion equation
   28,291 : 58,905 = 58,905 : x
2. Step 2: Convert to fraction form
   28,291/58,905 = 58,905/x
3. Step 3: Cross multiply
   28,291x = 58,905 × 58,905
4. Step 4: Simplify right side
   28,291x = 3,469,799,025
5. Step 5: Solve for x
   x = 3,469,799,025/28,291
6. Step 6: Final answer
   x = 122,646.74