Finding the Third Proportional to 67,446 and 145,825.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,446 : 145,825.50 = 145,825.50 : x
2. Step 2: Convert to fraction form
   67,446/145,825.50 = 145,825.50/x
3. Step 3: Cross multiply
   67,446x = 145,825.50 × 145,825.50
4. Step 4: Simplify right side
   67,446x = 21,265,076,450.25
5. Step 5: Solve for x
   x = 21,265,076,450.25/67,446
6. Step 6: Final answer
   x = 315,290.40