Finding the Third Proportional to 18,002.75 and 42,536.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,002.75 : 42,536.25 = 42,536.25 : x
2. Step 2: Convert to fraction form
   18,002.75/42,536.25 = 42,536.25/x
3. Step 3: Cross multiply
   18,002.75x = 42,536.25 × 42,536.25
4. Step 4: Simplify right side
   18,002.75x = 1,809,332,564.06
5. Step 5: Solve for x
   x = 1,809,332,564.06/18,002.75
6. Step 6: Final answer
   x = 100,503.12