Finding the Third Proportional to 13,640 and 28,738

Step by Step Solution

1. Step 1: Write the proportion equation
   13,640 : 28,738 = 28,738 : x
2. Step 2: Convert to fraction form
   13,640/28,738 = 28,738/x
3. Step 3: Cross multiply
   13,640x = 28,738 × 28,738
4. Step 4: Simplify right side
   13,640x = 825,872,644
5. Step 5: Solve for x
   x = 825,872,644/13,640
6. Step 6: Final answer
   x = 60,547.85