Finding the Third Proportional to 15,418.69 and 33,621.75

Step by Step Solution

1. Step 1: Write the proportion equation
   15,418.69 : 33,621.75 = 33,621.75 : x
2. Step 2: Convert to fraction form
   15,418.69/33,621.75 = 33,621.75/x
3. Step 3: Cross multiply
   15,418.69x = 33,621.75 × 33,621.75
4. Step 4: Simplify right side
   15,418.69x = 1,130,422,073.06
5. Step 5: Solve for x
   x = 1,130,422,073.06/15,418.69
6. Step 6: Final answer
   x = 73,315.06