Finding the Third Proportional to 3,467.81 and 7,477.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,467.81 : 7,477.31 = 7,477.31 : x
2. Step 2: Convert to fraction form
   3,467.81/7,477.31 = 7,477.31/x
3. Step 3: Cross multiply
   3,467.81x = 7,477.31 × 7,477.31
4. Step 4: Simplify right side
   3,467.81x = 55,910,202.22
5. Step 5: Solve for x
   x = 55,910,202.22/3,467.81
6. Step 6: Final answer
   x = 16,122.61