Finding the Third Proportional to 16,398 and 35,715.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,398 : 35,715.38 = 35,715.38 : x
2. Step 2: Convert to fraction form
   16,398/35,715.38 = 35,715.38/x
3. Step 3: Cross multiply
   16,398x = 35,715.38 × 35,715.38
4. Step 4: Simplify right side
   16,398x = 1,275,588,011.39
5. Step 5: Solve for x
   x = 1,275,588,011.39/16,398
6. Step 6: Final answer
   x = 77,789.24