Finding the Third Proportional to 13,887 and 21,650

Step by Step Solution

1. Step 1: Write the proportion equation
   13,887 : 21,650 = 21,650 : x
2. Step 2: Convert to fraction form
   13,887/21,650 = 21,650/x
3. Step 3: Cross multiply
   13,887x = 21,650 × 21,650
4. Step 4: Simplify right side
   13,887x = 468,722,500
5. Step 5: Solve for x
   x = 468,722,500/13,887
6. Step 6: Final answer
   x = 33,752.61