Finding the Third Proportional to 5,468.63 and 8,476.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,468.63 : 8,476.31 = 8,476.31 : x
2. Step 2: Convert to fraction form
   5,468.63/8,476.31 = 8,476.31/x
3. Step 3: Cross multiply
   5,468.63x = 8,476.31 × 8,476.31
4. Step 4: Simplify right side
   5,468.63x = 71,847,873.60
5. Step 5: Solve for x
   x = 71,847,873.60/5,468.63
6. Step 6: Final answer
   x = 13,138.20