Finding the Third Proportional to 13,658 and 28,288

Step by Step Solution

1. Step 1: Write the proportion equation
   13,658 : 28,288 = 28,288 : x
2. Step 2: Convert to fraction form
   13,658/28,288 = 28,288/x
3. Step 3: Cross multiply
   13,658x = 28,288 × 28,288
4. Step 4: Simplify right side
   13,658x = 800,210,944
5. Step 5: Solve for x
   x = 800,210,944/13,658
6. Step 6: Final answer
   x = 58,589.17