Finding the Third Proportional to 67,300 and 146,386

Step by Step Solution

1. Step 1: Write the proportion equation
   67,300 : 146,386 = 146,386 : x
2. Step 2: Convert to fraction form
   67,300/146,386 = 146,386/x
3. Step 3: Cross multiply
   67,300x = 146,386 × 146,386
4. Step 4: Simplify right side
   67,300x = 21,428,860,996
5. Step 5: Solve for x
   x = 21,428,860,996/67,300
6. Step 6: Final answer
   x = 318,408.04