Finding the Third Proportional to 21,389.63 and 32,919.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,389.63 : 32,919.75 = 32,919.75 : x
2. Step 2: Convert to fraction form
   21,389.63/32,919.75 = 32,919.75/x
3. Step 3: Cross multiply
   21,389.63x = 32,919.75 × 32,919.75
4. Step 4: Simplify right side
   21,389.63x = 1,083,709,940.06
5. Step 5: Solve for x
   x = 1,083,709,940.06/21,389.63
6. Step 6: Final answer
   x = 50,665.21