Finding the Third Proportional to 73,678 and 112,632

Step by Step Solution

1. Step 1: Write the proportion equation
   73,678 : 112,632 = 112,632 : x
2. Step 2: Convert to fraction form
   73,678/112,632 = 112,632/x
3. Step 3: Cross multiply
   73,678x = 112,632 × 112,632
4. Step 4: Simplify right side
   73,678x = 12,685,967,424
5. Step 5: Solve for x
   x = 12,685,967,424/73,678
6. Step 6: Final answer
   x = 172,181.21