Finding the Third Proportional to 161,170.50 and 354,552

Step by Step Solution

1. Step 1: Write the proportion equation
   161,170.50 : 354,552 = 354,552 : x
2. Step 2: Convert to fraction form
   161,170.50/354,552 = 354,552/x
3. Step 3: Cross multiply
   161,170.50x = 354,552 × 354,552
4. Step 4: Simplify right side
   161,170.50x = 125,707,120,704
5. Step 5: Solve for x
   x = 125,707,120,704/161,170.50
6. Step 6: Final answer
   x = 779,963.58