Finding the Third Proportional to 85,505 and 131,606

Step by Step Solution

1. Step 1: Write the proportion equation
   85,505 : 131,606 = 131,606 : x
2. Step 2: Convert to fraction form
   85,505/131,606 = 131,606/x
3. Step 3: Cross multiply
   85,505x = 131,606 × 131,606
4. Step 4: Simplify right side
   85,505x = 17,320,139,236
5. Step 5: Solve for x
   x = 17,320,139,236/85,505
6. Step 6: Final answer
   x = 202,562.88