Finding the Third Proportional to 67,086 and 147,132

Step by Step Solution

1. Step 1: Write the proportion equation
   67,086 : 147,132 = 147,132 : x
2. Step 2: Convert to fraction form
   67,086/147,132 = 147,132/x
3. Step 3: Cross multiply
   67,086x = 147,132 × 147,132
4. Step 4: Simplify right side
   67,086x = 21,647,825,424
5. Step 5: Solve for x
   x = 21,647,825,424/67,086
6. Step 6: Final answer
   x = 322,687.68