Finding the Third Proportional to 67,486 and 147,684

Step by Step Solution

1. Step 1: Write the proportion equation
   67,486 : 147,684 = 147,684 : x
2. Step 2: Convert to fraction form
   67,486/147,684 = 147,684/x
3. Step 3: Cross multiply
   67,486x = 147,684 × 147,684
4. Step 4: Simplify right side
   67,486x = 21,810,563,856
5. Step 5: Solve for x
   x = 21,810,563,856/67,486
6. Step 6: Final answer
   x = 323,186.50