Finding the Third Proportional to 3,881.67 and 8,468.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,881.67 : 8,468.30 = 8,468.30 : x
2. Step 2: Convert to fraction form
   3,881.67/8,468.30 = 8,468.30/x
3. Step 3: Cross multiply
   3,881.67x = 8,468.30 × 8,468.30
4. Step 4: Simplify right side
   3,881.67x = 71,712,051.96
5. Step 5: Solve for x
   x = 71,712,051.96/3,881.67
6. Step 6: Final answer
   x = 18,474.53