Finding the Third Proportional to 7,057.38 and 10,320.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,057.38 : 10,320.88 = 10,320.88 : x
2. Step 2: Convert to fraction form
   7,057.38/10,320.88 = 10,320.88/x
3. Step 3: Cross multiply
   7,057.38x = 10,320.88 × 10,320.88
4. Step 4: Simplify right side
   7,057.38x = 106,520,460.77
5. Step 5: Solve for x
   x = 106,520,460.77/7,057.38
6. Step 6: Final answer
   x = 15,093.50