Finding the Third Proportional to 18,113.63 and 38,530.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,113.63 : 38,530.69 = 38,530.69 : x
2. Step 2: Convert to fraction form
   18,113.63/38,530.69 = 38,530.69/x
3. Step 3: Cross multiply
   18,113.63x = 38,530.69 × 38,530.69
4. Step 4: Simplify right side
   18,113.63x = 1,484,613,879.22
5. Step 5: Solve for x
   x = 1,484,613,879.22/18,113.63
6. Step 6: Final answer
   x = 81,961.17