Finding the Third Proportional to 5,394.38 and 8,098.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,394.38 : 8,098.88 = 8,098.88 : x
2. Step 2: Convert to fraction form
   5,394.38/8,098.88 = 8,098.88/x
3. Step 3: Cross multiply
   5,394.38x = 8,098.88 × 8,098.88
4. Step 4: Simplify right side
   5,394.38x = 65,591,776.27
5. Step 5: Solve for x
   x = 65,591,776.27/5,394.38
6. Step 6: Final answer
   x = 12,159.29