Finding the Third Proportional to 7,311.38 and 17,248.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,311.38 : 17,248.50 = 17,248.50 : x
2. Step 2: Convert to fraction form
   7,311.38/17,248.50 = 17,248.50/x
3. Step 3: Cross multiply
   7,311.38x = 17,248.50 × 17,248.50
4. Step 4: Simplify right side
   7,311.38x = 297,510,752.25
5. Step 5: Solve for x
   x = 297,510,752.25/7,311.38
6. Step 6: Final answer
   x = 40,691.49