Finding the Third Proportional to 85,434 and 131,495

Step by Step Solution

1. Step 1: Write the proportion equation
   85,434 : 131,495 = 131,495 : x
2. Step 2: Convert to fraction form
   85,434/131,495 = 131,495/x
3. Step 3: Cross multiply
   85,434x = 131,495 × 131,495
4. Step 4: Simplify right side
   85,434x = 17,290,935,025
5. Step 5: Solve for x
   x = 17,290,935,025/85,434
6. Step 6: Final answer
   x = 202,389.39