Finding the Third Proportional to 17,756.72 and 38,530.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,756.72 : 38,530.69 = 38,530.69 : x
2. Step 2: Convert to fraction form
   17,756.72/38,530.69 = 38,530.69/x
3. Step 3: Cross multiply
   17,756.72x = 38,530.69 × 38,530.69
4. Step 4: Simplify right side
   17,756.72x = 1,484,613,879.22
5. Step 5: Solve for x
   x = 1,484,613,879.22/17,756.72
6. Step 6: Final answer
   x = 83,608.57