Finding the Third Proportional to 21,158 and 32,416

Step by Step Solution

1. Step 1: Write the proportion equation
   21,158 : 32,416 = 32,416 : x
2. Step 2: Convert to fraction form
   21,158/32,416 = 32,416/x
3. Step 3: Cross multiply
   21,158x = 32,416 × 32,416
4. Step 4: Simplify right side
   21,158x = 1,050,797,056
5. Step 5: Solve for x
   x = 1,050,797,056/21,158
6. Step 6: Final answer
   x = 49,664.29