Finding the Third Proportional to 20,438 and 32,118

Step by Step Solution

1. Step 1: Write the proportion equation
   20,438 : 32,118 = 32,118 : x
2. Step 2: Convert to fraction form
   20,438/32,118 = 32,118/x
3. Step 3: Cross multiply
   20,438x = 32,118 × 32,118
4. Step 4: Simplify right side
   20,438x = 1,031,565,924
5. Step 5: Solve for x
   x = 1,031,565,924/20,438
6. Step 6: Final answer
   x = 50,472.94