Finding the Third Proportional to 4,113 and 8,773.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,113 : 8,773.31 = 8,773.31 : x
2. Step 2: Convert to fraction form
   4,113/8,773.31 = 8,773.31/x
3. Step 3: Cross multiply
   4,113x = 8,773.31 × 8,773.31
4. Step 4: Simplify right side
   4,113x = 76,971,012.22
5. Step 5: Solve for x
   x = 76,971,012.22/4,113
6. Step 6: Final answer
   x = 18,714.08