Finding the Third Proportional to 177,367.50 and 380,979

Step by Step Solution

1. Step 1: Write the proportion equation
   177,367.50 : 380,979 = 380,979 : x
2. Step 2: Convert to fraction form
   177,367.50/380,979 = 380,979/x
3. Step 3: Cross multiply
   177,367.50x = 380,979 × 380,979
4. Step 4: Simplify right side
   177,367.50x = 145,144,998,441
5. Step 5: Solve for x
   x = 145,144,998,441/177,367.50
6. Step 6: Final answer
   x = 818,329.17