Finding the Third Proportional to 155,922 and 342,530

Step by Step Solution

1. Step 1: Write the proportion equation
   155,922 : 342,530 = 342,530 : x
2. Step 2: Convert to fraction form
   155,922/342,530 = 342,530/x
3. Step 3: Cross multiply
   155,922x = 342,530 × 342,530
4. Step 4: Simplify right side
   155,922x = 117,326,800,900
5. Step 5: Solve for x
   x = 117,326,800,900/155,922
6. Step 6: Final answer
   x = 752,471.11