Finding the Third Proportional to 5,464.69 and 8,425.13

Step by Step Solution

1. Step 1: Write the proportion equation
   5,464.69 : 8,425.13 = 8,425.13 : x
2. Step 2: Convert to fraction form
   5,464.69/8,425.13 = 8,425.13/x
3. Step 3: Cross multiply
   5,464.69x = 8,425.13 × 8,425.13
4. Step 4: Simplify right side
   5,464.69x = 70,982,731.27
5. Step 5: Solve for x
   x = 70,982,731.27/5,464.69
6. Step 6: Final answer
   x = 12,989.35