Finding the Third Proportional to 21,290 and 32,230

Step by Step Solution

1. Step 1: Write the proportion equation
   21,290 : 32,230 = 32,230 : x
2. Step 2: Convert to fraction form
   21,290/32,230 = 32,230/x
3. Step 3: Cross multiply
   21,290x = 32,230 × 32,230
4. Step 4: Simplify right side
   21,290x = 1,038,772,900
5. Step 5: Solve for x
   x = 1,038,772,900/21,290
6. Step 6: Final answer
   x = 48,791.59