Finding the Third Proportional to 28,288 and 58,899

Step by Step Solution

1. Step 1: Write the proportion equation
   28,288 : 58,899 = 58,899 : x
2. Step 2: Convert to fraction form
   28,288/58,899 = 58,899/x
3. Step 3: Cross multiply
   28,288x = 58,899 × 58,899
4. Step 4: Simplify right side
   28,288x = 3,469,092,201
5. Step 5: Solve for x
   x = 3,469,092,201/28,288
6. Step 6: Final answer
   x = 122,634.76