Finding the Third Proportional to 67,308 and 145,764

Step by Step Solution

1. Step 1: Write the proportion equation
   67,308 : 145,764 = 145,764 : x
2. Step 2: Convert to fraction form
   67,308/145,764 = 145,764/x
3. Step 3: Cross multiply
   67,308x = 145,764 × 145,764
4. Step 4: Simplify right side
   67,308x = 21,247,143,696
5. Step 5: Solve for x
   x = 21,247,143,696/67,308
6. Step 6: Final answer
   x = 315,670.41