Finding the Third Proportional to 103,636 and 131,466

Step by Step Solution

1. Step 1: Write the proportion equation
   103,636 : 131,466 = 131,466 : x
2. Step 2: Convert to fraction form
   103,636/131,466 = 131,466/x
3. Step 3: Cross multiply
   103,636x = 131,466 × 131,466
4. Step 4: Simplify right side
   103,636x = 17,283,309,156
5. Step 5: Solve for x
   x = 17,283,309,156/103,636
6. Step 6: Final answer
   x = 166,769.36