Finding the Third Proportional to 18,570.94 and 40,528.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,570.94 : 40,528.69 = 40,528.69 : x
2. Step 2: Convert to fraction form
   18,570.94/40,528.69 = 40,528.69/x
3. Step 3: Cross multiply
   18,570.94x = 40,528.69 × 40,528.69
4. Step 4: Simplify right side
   18,570.94x = 1,642,574,510.47
5. Step 5: Solve for x
   x = 1,642,574,510.47/18,570.94
6. Step 6: Final answer
   x = 88,448.66