Finding the Third Proportional to 3,743.72 and 8,902.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,743.72 : 8,902.41 = 8,902.41 : x
2. Step 2: Convert to fraction form
   3,743.72/8,902.41 = 8,902.41/x
3. Step 3: Cross multiply
   3,743.72x = 8,902.41 × 8,902.41
4. Step 4: Simplify right side
   3,743.72x = 79,252,837.04
5. Step 5: Solve for x
   x = 79,252,837.04/3,743.72
6. Step 6: Final answer
   x = 21,169.55