Finding the Third Proportional to 161,211.75 and 341,628

Step by Step Solution

1. Step 1: Write the proportion equation
   161,211.75 : 341,628 = 341,628 : x
2. Step 2: Convert to fraction form
   161,211.75/341,628 = 341,628/x
3. Step 3: Cross multiply
   161,211.75x = 341,628 × 341,628
4. Step 4: Simplify right side
   161,211.75x = 116,709,690,384
5. Step 5: Solve for x
   x = 116,709,690,384/161,211.75
6. Step 6: Final answer
   x = 723,952.75