Finding the Third Proportional to 20,712 and 32,910

Step by Step Solution

1. Step 1: Write the proportion equation
   20,712 : 32,910 = 32,910 : x
2. Step 2: Convert to fraction form
   20,712/32,910 = 32,910/x
3. Step 3: Cross multiply
   20,712x = 32,910 × 32,910
4. Step 4: Simplify right side
   20,712x = 1,083,068,100
5. Step 5: Solve for x
   x = 1,083,068,100/20,712
6. Step 6: Final answer
   x = 52,291.82