Finding the Third Proportional to 21,152 and 43,584

Step by Step Solution

1. Step 1: Write the proportion equation
   21,152 : 43,584 = 43,584 : x
2. Step 2: Convert to fraction form
   21,152/43,584 = 43,584/x
3. Step 3: Cross multiply
   21,152x = 43,584 × 43,584
4. Step 4: Simplify right side
   21,152x = 1,899,565,056
5. Step 5: Solve for x
   x = 1,899,565,056/21,152
6. Step 6: Final answer
   x = 89,805.46