Finding the Third Proportional to 18,892 and 28,931

Step by Step Solution

1. Step 1: Write the proportion equation
   18,892 : 28,931 = 28,931 : x
2. Step 2: Convert to fraction form
   18,892/28,931 = 28,931/x
3. Step 3: Cross multiply
   18,892x = 28,931 × 28,931
4. Step 4: Simplify right side
   18,892x = 837,002,761
5. Step 5: Solve for x
   x = 837,002,761/18,892
6. Step 6: Final answer
   x = 44,304.61