Finding the Third Proportional to 67,321 and 147,698

Step by Step Solution

1. Step 1: Write the proportion equation
   67,321 : 147,698 = 147,698 : x
2. Step 2: Convert to fraction form
   67,321/147,698 = 147,698/x
3. Step 3: Cross multiply
   67,321x = 147,698 × 147,698
4. Step 4: Simplify right side
   67,321x = 21,814,699,204
5. Step 5: Solve for x
   x = 21,814,699,204/67,321
6. Step 6: Final answer
   x = 324,040.04