Finding the Third Proportional to 20,887 and 32,390

Step by Step Solution

1. Step 1: Write the proportion equation
   20,887 : 32,390 = 32,390 : x
2. Step 2: Convert to fraction form
   20,887/32,390 = 32,390/x
3. Step 3: Cross multiply
   20,887x = 32,390 × 32,390
4. Step 4: Simplify right side
   20,887x = 1,049,112,100
5. Step 5: Solve for x
   x = 1,049,112,100/20,887
6. Step 6: Final answer
   x = 50,227.99