Finding the Third Proportional to 85,230 and 132,147

Step by Step Solution

1. Step 1: Write the proportion equation
   85,230 : 132,147 = 132,147 : x
2. Step 2: Convert to fraction form
   85,230/132,147 = 132,147/x
3. Step 3: Cross multiply
   85,230x = 132,147 × 132,147
4. Step 4: Simplify right side
   85,230x = 17,462,829,609
5. Step 5: Solve for x
   x = 17,462,829,609/85,230
6. Step 6: Final answer
   x = 204,890.64