Finding the Third Proportional to 79,769.50 and 174,028

Step by Step Solution

1. Step 1: Write the proportion equation
   79,769.50 : 174,028 = 174,028 : x
2. Step 2: Convert to fraction form
   79,769.50/174,028 = 174,028/x
3. Step 3: Cross multiply
   79,769.50x = 174,028 × 174,028
4. Step 4: Simplify right side
   79,769.50x = 30,285,744,784
5. Step 5: Solve for x
   x = 30,285,744,784/79,769.50
6. Step 6: Final answer
   x = 379,665.72