Finding the Third Proportional to 156,958 and 333,518

Step by Step Solution

1. Step 1: Write the proportion equation
   156,958 : 333,518 = 333,518 : x
2. Step 2: Convert to fraction form
   156,958/333,518 = 333,518/x
3. Step 3: Cross multiply
   156,958x = 333,518 × 333,518
4. Step 4: Simplify right side
   156,958x = 111,234,256,324
5. Step 5: Solve for x
   x = 111,234,256,324/156,958
6. Step 6: Final answer
   x = 708,688.03