Finding the Third Proportional to 12,916 and 20,552

Step by Step Solution

1. Step 1: Write the proportion equation
   12,916 : 20,552 = 20,552 : x
2. Step 2: Convert to fraction form
   12,916/20,552 = 20,552/x
3. Step 3: Cross multiply
   12,916x = 20,552 × 20,552
4. Step 4: Simplify right side
   12,916x = 422,384,704
5. Step 5: Solve for x
   x = 422,384,704/12,916
6. Step 6: Final answer
   x = 32,702.44