Finding the Third Proportional to 3,717.56 and 8,773.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,717.56 : 8,773.31 = 8,773.31 : x
2. Step 2: Convert to fraction form
   3,717.56/8,773.31 = 8,773.31/x
3. Step 3: Cross multiply
   3,717.56x = 8,773.31 × 8,773.31
4. Step 4: Simplify right side
   3,717.56x = 76,971,012.22
5. Step 5: Solve for x
   x = 76,971,012.22/3,717.56
6. Step 6: Final answer
   x = 20,704.70