Finding the Third Proportional to 18,572.63 and 40,530.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,572.63 : 40,530.38 = 40,530.38 : x
2. Step 2: Convert to fraction form
   18,572.63/40,530.38 = 40,530.38/x
3. Step 3: Cross multiply
   18,572.63x = 40,530.38 × 40,530.38
4. Step 4: Simplify right side
   18,572.63x = 1,642,711,297.64
5. Step 5: Solve for x
   x = 1,642,711,297.64/18,572.63
6. Step 6: Final answer
   x = 88,447.99