Finding the Third Proportional to 21,818 and 32,781

Step by Step Solution

1. Step 1: Write the proportion equation
   21,818 : 32,781 = 32,781 : x
2. Step 2: Convert to fraction form
   21,818/32,781 = 32,781/x
3. Step 3: Cross multiply
   21,818x = 32,781 × 32,781
4. Step 4: Simplify right side
   21,818x = 1,074,593,961
5. Step 5: Solve for x
   x = 1,074,593,961/21,818
6. Step 6: Final answer
   x = 49,252.63