Finding the Third Proportional to 67,518 and 147,510

Step by Step Solution

1. Step 1: Write the proportion equation
   67,518 : 147,510 = 147,510 : x
2. Step 2: Convert to fraction form
   67,518/147,510 = 147,510/x
3. Step 3: Cross multiply
   67,518x = 147,510 × 147,510
4. Step 4: Simplify right side
   67,518x = 21,759,200,100
5. Step 5: Solve for x
   x = 21,759,200,100/67,518
6. Step 6: Final answer
   x = 322,272.58