Finding the Third Proportional to 17,603.44 and 39,142.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,603.44 : 39,142.55 = 39,142.55 : x
2. Step 2: Convert to fraction form
   17,603.44/39,142.55 = 39,142.55/x
3. Step 3: Cross multiply
   17,603.44x = 39,142.55 × 39,142.55
4. Step 4: Simplify right side
   17,603.44x = 1,532,138,975.86
5. Step 5: Solve for x
   x = 1,532,138,975.86/17,603.44
6. Step 6: Final answer
   x = 87,036.35