Finding the Third Proportional to 78,468.50 and 161,073

Step by Step Solution

1. Step 1: Write the proportion equation
   78,468.50 : 161,073 = 161,073 : x
2. Step 2: Convert to fraction form
   78,468.50/161,073 = 161,073/x
3. Step 3: Cross multiply
   78,468.50x = 161,073 × 161,073
4. Step 4: Simplify right side
   78,468.50x = 25,944,511,329
5. Step 5: Solve for x
   x = 25,944,511,329/78,468.50
6. Step 6: Final answer
   x = 330,636.00