Finding the Third Proportional to 7,298.38 and 10,400.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,298.38 : 10,400.69 = 10,400.69 : x
2. Step 2: Convert to fraction form
   7,298.38/10,400.69 = 10,400.69/x
3. Step 3: Cross multiply
   7,298.38x = 10,400.69 × 10,400.69
4. Step 4: Simplify right side
   7,298.38x = 108,174,300.47
5. Step 5: Solve for x
   x = 108,174,300.47/7,298.38
6. Step 6: Final answer
   x = 14,821.70