Finding the Third Proportional to 163,579.50 and 350,811

Step by Step Solution

1. Step 1: Write the proportion equation
   163,579.50 : 350,811 = 350,811 : x
2. Step 2: Convert to fraction form
   163,579.50/350,811 = 350,811/x
3. Step 3: Cross multiply
   163,579.50x = 350,811 × 350,811
4. Step 4: Simplify right side
   163,579.50x = 123,068,357,721
5. Step 5: Solve for x
   x = 123,068,357,721/163,579.50
6. Step 6: Final answer
   x = 752,345.85