Finding the Third Proportional to 35,531 and 55,017

Step by Step Solution

1. Step 1: Write the proportion equation
   35,531 : 55,017 = 55,017 : x
2. Step 2: Convert to fraction form
   35,531/55,017 = 55,017/x
3. Step 3: Cross multiply
   35,531x = 55,017 × 55,017
4. Step 4: Simplify right side
   35,531x = 3,026,870,289
5. Step 5: Solve for x
   x = 3,026,870,289/35,531
6. Step 6: Final answer
   x = 85,189.56