Finding the Third Proportional to 78,346.50 and 160,842

Step by Step Solution

1. Step 1: Write the proportion equation
   78,346.50 : 160,842 = 160,842 : x
2. Step 2: Convert to fraction form
   78,346.50/160,842 = 160,842/x
3. Step 3: Cross multiply
   78,346.50x = 160,842 × 160,842
4. Step 4: Simplify right side
   78,346.50x = 25,870,148,964
5. Step 5: Solve for x
   x = 25,870,148,964/78,346.50
6. Step 6: Final answer
   x = 330,201.72