Finding the Third Proportional to 161,362.50 and 354,570

Step by Step Solution

1. Step 1: Write the proportion equation
   161,362.50 : 354,570 = 354,570 : x
2. Step 2: Convert to fraction form
   161,362.50/354,570 = 354,570/x
3. Step 3: Cross multiply
   161,362.50x = 354,570 × 354,570
4. Step 4: Simplify right side
   161,362.50x = 125,719,884,900
5. Step 5: Solve for x
   x = 125,719,884,900/161,362.50
6. Step 6: Final answer
   x = 779,114.63