Finding the Third Proportional to 20,916 and 28,134

Step by Step Solution

1. Step 1: Write the proportion equation
   20,916 : 28,134 = 28,134 : x
2. Step 2: Convert to fraction form
   20,916/28,134 = 28,134/x
3. Step 3: Cross multiply
   20,916x = 28,134 × 28,134
4. Step 4: Simplify right side
   20,916x = 791,521,956
5. Step 5: Solve for x
   x = 791,521,956/20,916
6. Step 6: Final answer
   x = 37,842.89