Finding the Third Proportional to 85,636 and 131,730

Step by Step Solution

1. Step 1: Write the proportion equation
   85,636 : 131,730 = 131,730 : x
2. Step 2: Convert to fraction form
   85,636/131,730 = 131,730/x
3. Step 3: Cross multiply
   85,636x = 131,730 × 131,730
4. Step 4: Simplify right side
   85,636x = 17,352,792,900
5. Step 5: Solve for x
   x = 17,352,792,900/85,636
6. Step 6: Final answer
   x = 202,634.32