Finding the Third Proportional to 67,309 and 146,842

Step by Step Solution

1. Step 1: Write the proportion equation
   67,309 : 146,842 = 146,842 : x
2. Step 2: Convert to fraction form
   67,309/146,842 = 146,842/x
3. Step 3: Cross multiply
   67,309x = 146,842 × 146,842
4. Step 4: Simplify right side
   67,309x = 21,562,572,964
5. Step 5: Solve for x
   x = 21,562,572,964/67,309
6. Step 6: Final answer
   x = 320,352.00