Finding the Third Proportional to 18,600.75 and 40,141.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,600.75 : 40,141.69 = 40,141.69 : x
2. Step 2: Convert to fraction form
   18,600.75/40,141.69 = 40,141.69/x
3. Step 3: Cross multiply
   18,600.75x = 40,141.69 × 40,141.69
4. Step 4: Simplify right side
   18,600.75x = 1,611,355,075.35
5. Step 5: Solve for x
   x = 1,611,355,075.35/18,600.75
6. Step 6: Final answer
   x = 86,628.50