Finding the Third Proportional to 20,584 and 43,436

Step by Step Solution

1. Step 1: Write the proportion equation
   20,584 : 43,436 = 43,436 : x
2. Step 2: Convert to fraction form
   20,584/43,436 = 43,436/x
3. Step 3: Cross multiply
   20,584x = 43,436 × 43,436
4. Step 4: Simplify right side
   20,584x = 1,886,686,096
5. Step 5: Solve for x
   x = 1,886,686,096/20,584
6. Step 6: Final answer
   x = 91,657.89