Finding the Third Proportional to 59,540 and 84,631

Step by Step Solution

1. Step 1: Write the proportion equation
   59,540 : 84,631 = 84,631 : x
2. Step 2: Convert to fraction form
   59,540/84,631 = 84,631/x
3. Step 3: Cross multiply
   59,540x = 84,631 × 84,631
4. Step 4: Simplify right side
   59,540x = 7,162,406,161
5. Step 5: Solve for x
   x = 7,162,406,161/59,540
6. Step 6: Final answer
   x = 120,295.70