Finding the Third Proportional to 12,958 and 28,538

Step by Step Solution

1. Step 1: Write the proportion equation
   12,958 : 28,538 = 28,538 : x
2. Step 2: Convert to fraction form
   12,958/28,538 = 28,538/x
3. Step 3: Cross multiply
   12,958x = 28,538 × 28,538
4. Step 4: Simplify right side
   12,958x = 814,417,444
5. Step 5: Solve for x
   x = 814,417,444/12,958
6. Step 6: Final answer
   x = 62,850.55