Finding the Third Proportional to 67,550 and 146,636

Step by Step Solution

1. Step 1: Write the proportion equation
   67,550 : 146,636 = 146,636 : x
2. Step 2: Convert to fraction form
   67,550/146,636 = 146,636/x
3. Step 3: Cross multiply
   67,550x = 146,636 × 146,636
4. Step 4: Simplify right side
   67,550x = 21,502,116,496
5. Step 5: Solve for x
   x = 21,502,116,496/67,550
6. Step 6: Final answer
   x = 318,314.09