Finding the Third Proportional to 21,681 and 35,883

Step by Step Solution

1. Step 1: Write the proportion equation
   21,681 : 35,883 = 35,883 : x
2. Step 2: Convert to fraction form
   21,681/35,883 = 35,883/x
3. Step 3: Cross multiply
   21,681x = 35,883 × 35,883
4. Step 4: Simplify right side
   21,681x = 1,287,589,689
5. Step 5: Solve for x
   x = 1,287,589,689/21,681
6. Step 6: Final answer
   x = 59,387.93