Finding the Third Proportional to 73,662 and 112,636

Step by Step Solution

1. Step 1: Write the proportion equation
   73,662 : 112,636 = 112,636 : x
2. Step 2: Convert to fraction form
   73,662/112,636 = 112,636/x
3. Step 3: Cross multiply
   73,662x = 112,636 × 112,636
4. Step 4: Simplify right side
   73,662x = 12,686,868,496
5. Step 5: Solve for x
   x = 12,686,868,496/73,662
6. Step 6: Final answer
   x = 172,230.84