Finding the Third Proportional to 67,986 and 147,651

Step by Step Solution

1. Step 1: Write the proportion equation
   67,986 : 147,651 = 147,651 : x
2. Step 2: Convert to fraction form
   67,986/147,651 = 147,651/x
3. Step 3: Cross multiply
   67,986x = 147,651 × 147,651
4. Step 4: Simplify right side
   67,986x = 21,800,817,801
5. Step 5: Solve for x
   x = 21,800,817,801/67,986
6. Step 6: Final answer
   x = 320,666.28