Finding the Third Proportional to 82,162 and 130,603

Step by Step Solution

1. Step 1: Write the proportion equation
   82,162 : 130,603 = 130,603 : x
2. Step 2: Convert to fraction form
   82,162/130,603 = 130,603/x
3. Step 3: Cross multiply
   82,162x = 130,603 × 130,603
4. Step 4: Simplify right side
   82,162x = 17,057,143,609
5. Step 5: Solve for x
   x = 17,057,143,609/82,162
6. Step 6: Final answer
   x = 207,603.80